Home / 10,131,130.05-13,980,965.28-5,484,916.28

Finding the Fourth Proportional to 10,131,130.05, 13,980,965.28 and 5,484,916.28

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Solution

The fourth proportional to 10,131,130.05, 13,980,965.28 and 5,484,916.28 is: 7,569,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,130.05 : 13,980,965.28 = 5,484,916.28 : x
  2. Step 2: Convert to fraction form
    10,131,130.05/13,980,965.28 = 5,484,916.28/x
  3. Step 3: Cross multiply
    10,131,130.05x = 13,980,965.28 × 5,484,916.28
  4. Step 4: Simplify right side
    10,131,130.05x = 76,684,424,088,770.73
  5. Step 5: Solve for x
    x = 76,684,424,088,770.73/10,131,130.05
  6. Step 6: Final answer
    x = 7,569,187.62

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Double scale
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1.5x scale

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.