Home / 21,291,869.16-31,938,057.18-5,938,224.68

Finding the Fourth Proportional to 21,291,869.16, 31,938,057.18 and 5,938,224.68

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Solution

The fourth proportional to 21,291,869.16, 31,938,057.18 and 5,938,224.68 is: 8,907,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,291,869.16 : 31,938,057.18 = 5,938,224.68 : x
  2. Step 2: Convert to fraction form
    21,291,869.16/31,938,057.18 = 5,938,224.68/x
  3. Step 3: Cross multiply
    21,291,869.16x = 31,938,057.18 × 5,938,224.68
  4. Step 4: Simplify right side
    21,291,869.16x = 189,655,359,377,527.19
  5. Step 5: Solve for x
    x = 189,655,359,377,527.19/21,291,869.16
  6. Step 6: Final answer
    x = 8,907,407.70

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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.