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Finding the Fourth Proportional to 14,966,061.60, 20,652,662.16 and 9,462,398.88

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Solution

The fourth proportional to 14,966,061.60, 20,652,662.16 and 9,462,398.88 is: 13,057,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,966,061.60 : 20,652,662.16 = 9,462,398.88 : x
  2. Step 2: Convert to fraction form
    14,966,061.60/20,652,662.16 = 9,462,398.88/x
  3. Step 3: Cross multiply
    14,966,061.60x = 20,652,662.16 × 9,462,398.88
  4. Step 4: Simplify right side
    14,966,061.60x = 195,423,727,291,802.41
  5. Step 5: Solve for x
    x = 195,423,727,291,802.41/14,966,061.60
  6. Step 6: Final answer
    x = 13,057,792.53

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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.