Home / 22,569,802.61-31,155,861.47-15,237,566.78

Finding the Fourth Proportional to 22,569,802.61, 31,155,861.47 and 15,237,566.78

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Solution

The fourth proportional to 22,569,802.61, 31,155,861.47 and 15,237,566.78 is: 21,034,278.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569,802.61 : 31,155,861.47 = 15,237,566.78 : x
  2. Step 2: Convert to fraction form
    22,569,802.61/31,155,861.47 = 15,237,566.78/x
  3. Step 3: Cross multiply
    22,569,802.61x = 31,155,861.47 × 15,237,566.78
  4. Step 4: Simplify right side
    22,569,802.61x = 474,739,519,505,586.81
  5. Step 5: Solve for x
    x = 474,739,519,505,586.81/22,569,802.61
  6. Step 6: Final answer
    x = 21,034,278.76

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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.