Home / 13,286,566.40-19,929,849.60-10,074,300.80

Finding the Fourth Proportional to 13,286,566.40, 19,929,849.60 and 10,074,300.80

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Solution

The fourth proportional to 13,286,566.40, 19,929,849.60 and 10,074,300.80 is: 15,111,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,566.40 : 19,929,849.60 = 10,074,300.80 : x
  2. Step 2: Convert to fraction form
    13,286,566.40/19,929,849.60 = 10,074,300.80/x
  3. Step 3: Cross multiply
    13,286,566.40x = 19,929,849.60 × 10,074,300.80
  4. Step 4: Simplify right side
    13,286,566.40x = 200,779,299,769,159.72
  5. Step 5: Solve for x
    x = 200,779,299,769,159.72/13,286,566.40
  6. Step 6: Final answer
    x = 15,111,451.20

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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.