Home / 13,286,585.40-19,929,878.10-10,074,319.80

Finding the Fourth Proportional to 13,286,585.40, 19,929,878.10 and 10,074,319.80

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Solution

The fourth proportional to 13,286,585.40, 19,929,878.10 and 10,074,319.80 is: 15,111,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,585.40 : 19,929,878.10 = 10,074,319.80 : x
  2. Step 2: Convert to fraction form
    13,286,585.40/19,929,878.10 = 10,074,319.80/x
  3. Step 3: Cross multiply
    13,286,585.40x = 19,929,878.10 × 10,074,319.80
  4. Step 4: Simplify right side
    13,286,585.40x = 200,779,965,554,416.41
  5. Step 5: Solve for x
    x = 200,779,965,554,416.41/13,286,585.40
  6. Step 6: Final answer
    x = 15,111,479.70

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.