Home / 21,703,134.79-32,547,845.67-7,127,652.56

Finding the Fourth Proportional to 21,703,134.79, 32,547,845.67 and 7,127,652.56

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Solution

The fourth proportional to 21,703,134.79, 32,547,845.67 and 7,127,652.56 is: 10,689,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703,134.79 : 32,547,845.67 = 7,127,652.56 : x
  2. Step 2: Convert to fraction form
    21,703,134.79/32,547,845.67 = 7,127,652.56/x
  3. Step 3: Cross multiply
    21,703,134.79x = 32,547,845.67 × 7,127,652.56
  4. Step 4: Simplify right side
    21,703,134.79x = 231,989,735,575,810.91
  5. Step 5: Solve for x
    x = 231,989,735,575,810.91/21,703,134.79
  6. Step 6: Final answer
    x = 10,689,227.06

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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.