Home / 10,306,989.60-15,460,484.40-9,314,966.40

Finding the Fourth Proportional to 10,306,989.60, 15,460,484.40 and 9,314,966.40

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Solution

The fourth proportional to 10,306,989.60, 15,460,484.40 and 9,314,966.40 is: 13,972,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,989.60 : 15,460,484.40 = 9,314,966.40 : x
  2. Step 2: Convert to fraction form
    10,306,989.60/15,460,484.40 = 9,314,966.40/x
  3. Step 3: Cross multiply
    10,306,989.60x = 15,460,484.40 × 9,314,966.40
  4. Step 4: Simplify right side
    10,306,989.60x = 144,013,892,713,724.16
  5. Step 5: Solve for x
    x = 144,013,892,713,724.16/10,306,989.60
  6. Step 6: Final answer
    x = 13,972,449.60

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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.