Home / 12,931,457.11-19,395,926.16-5,255,562.17

Finding the Fourth Proportional to 12,931,457.11, 19,395,926.16 and 5,255,562.17

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Solution

The fourth proportional to 12,931,457.11, 19,395,926.16 and 5,255,562.17 is: 7,882,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,457.11 : 19,395,926.16 = 5,255,562.17 : x
  2. Step 2: Convert to fraction form
    12,931,457.11/19,395,926.16 = 5,255,562.17/x
  3. Step 3: Cross multiply
    12,931,457.11x = 19,395,926.16 × 5,255,562.17
  4. Step 4: Simplify right side
    12,931,457.11x = 101,936,495,778,609.36
  5. Step 5: Solve for x
    x = 101,936,495,778,609.36/12,931,457.11
  6. Step 6: Final answer
    x = 7,882,831.37

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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.