Home / 15,925,461.48-21,970,206.45-10,121,134.32

Finding the Fourth Proportional to 15,925,461.48, 21,970,206.45 and 10,121,134.32

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Solution

The fourth proportional to 15,925,461.48, 21,970,206.45 and 10,121,134.32 is: 13,962,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925,461.48 : 21,970,206.45 = 10,121,134.32 : x
  2. Step 2: Convert to fraction form
    15,925,461.48/21,970,206.45 = 10,121,134.32/x
  3. Step 3: Cross multiply
    15,925,461.48x = 21,970,206.45 × 10,121,134.32
  4. Step 4: Simplify right side
    15,925,461.48x = 222,363,410,518,580.38
  5. Step 5: Solve for x
    x = 222,363,410,518,580.38/15,925,461.48
  6. Step 6: Final answer
    x = 13,962,760.88

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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.