Home / 15,035,421.29-20,748,892.16-8,159,903.35

Finding the Fourth Proportional to 15,035,421.29, 20,748,892.16 and 8,159,903.35

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Solution

The fourth proportional to 15,035,421.29, 20,748,892.16 and 8,159,903.35 is: 11,260,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,421.29 : 20,748,892.16 = 8,159,903.35 : x
  2. Step 2: Convert to fraction form
    15,035,421.29/20,748,892.16 = 8,159,903.35/x
  3. Step 3: Cross multiply
    15,035,421.29x = 20,748,892.16 × 8,159,903.35
  4. Step 4: Simplify right side
    15,035,421.29x = 169,308,954,613,700.28
  5. Step 5: Solve for x
    x = 169,308,954,613,700.28/15,035,421.29
  6. Step 6: Final answer
    x = 11,260,672.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.