Home / 13,286,603.40-19,929,905.10-10,074,337.80

Finding the Fourth Proportional to 13,286,603.40, 19,929,905.10 and 10,074,337.80

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Solution

The fourth proportional to 13,286,603.40, 19,929,905.10 and 10,074,337.80 is: 15,111,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,603.40 : 19,929,905.10 = 10,074,337.80 : x
  2. Step 2: Convert to fraction form
    13,286,603.40/19,929,905.10 = 10,074,337.80/x
  3. Step 3: Cross multiply
    13,286,603.40x = 19,929,905.10 × 10,074,337.80
  4. Step 4: Simplify right side
    13,286,603.40x = 200,780,596,299,342.81
  5. Step 5: Solve for x
    x = 200,780,596,299,342.81/13,286,603.40
  6. Step 6: Final answer
    x = 15,111,506.70

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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.