Home / 10,656,412.80-15,984,619.20-4,672,780.80

Finding the Fourth Proportional to 10,656,412.80, 15,984,619.20 and 4,672,780.80

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Solution

The fourth proportional to 10,656,412.80, 15,984,619.20 and 4,672,780.80 is: 7,009,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,412.80 : 15,984,619.20 = 4,672,780.80 : x
  2. Step 2: Convert to fraction form
    10,656,412.80/15,984,619.20 = 4,672,780.80/x
  3. Step 3: Cross multiply
    10,656,412.80x = 15,984,619.20 × 4,672,780.80
  4. Step 4: Simplify right side
    10,656,412.80x = 74,692,621,693,071.36
  5. Step 5: Solve for x
    x = 74,692,621,693,071.36/10,656,412.80
  6. Step 6: Final answer
    x = 7,009,171.20

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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.