Home / 10,258,412.10-15,387,618.15-10,109,112.90

Finding the Fourth Proportional to 10,258,412.10, 15,387,618.15 and 10,109,112.90

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Solution

The fourth proportional to 10,258,412.10, 15,387,618.15 and 10,109,112.90 is: 15,163,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258,412.10 : 15,387,618.15 = 10,109,112.90 : x
  2. Step 2: Convert to fraction form
    10,258,412.10/15,387,618.15 = 10,109,112.90/x
  3. Step 3: Cross multiply
    10,258,412.10x = 15,387,618.15 × 10,109,112.90
  4. Step 4: Simplify right side
    10,258,412.10x = 155,555,169,140,439.16
  5. Step 5: Solve for x
    x = 155,555,169,140,439.16/10,258,412.10
  6. Step 6: Final answer
    x = 15,163,669.35

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1.5x scale

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.