Home / 21,387,261.60-32,088,765.60-7,010,798.40

Finding the Fourth Proportional to 21,387,261.60, 32,088,765.60 and 7,010,798.40

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Solution

The fourth proportional to 21,387,261.60, 32,088,765.60 and 7,010,798.40 is: 10,518,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,261.60 : 32,088,765.60 = 7,010,798.40 : x
  2. Step 2: Convert to fraction form
    21,387,261.60/32,088,765.60 = 7,010,798.40/x
  3. Step 3: Cross multiply
    21,387,261.60x = 32,088,765.60 × 7,010,798.40
  4. Step 4: Simplify right side
    21,387,261.60x = 224,967,866,526,455.06
  5. Step 5: Solve for x
    x = 224,967,866,526,455.06/21,387,261.60
  6. Step 6: Final answer
    x = 10,518,778.45

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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.