Home / 20,688,572.28-31,004,957.76-10,460,647.62

Finding the Fourth Proportional to 20,688,572.28, 31,004,957.76 and 10,460,647.62

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Solution

The fourth proportional to 20,688,572.28, 31,004,957.76 and 10,460,647.62 is: 15,676,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,688,572.28 : 31,004,957.76 = 10,460,647.62 : x
  2. Step 2: Convert to fraction form
    20,688,572.28/31,004,957.76 = 10,460,647.62/x
  3. Step 3: Cross multiply
    20,688,572.28x = 31,004,957.76 × 10,460,647.62
  4. Step 4: Simplify right side
    20,688,572.28x = 324,331,937,600,344.50
  5. Step 5: Solve for x
    x = 324,331,937,600,344.50/20,688,572.28
  6. Step 6: Final answer
    x = 15,676,864.17

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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.