Home / 10,891,507.60-16,337,261.40-9,379,853.20

Finding the Fourth Proportional to 10,891,507.60, 16,337,261.40 and 9,379,853.20

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Solution

The fourth proportional to 10,891,507.60, 16,337,261.40 and 9,379,853.20 is: 14,069,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,507.60 : 16,337,261.40 = 9,379,853.20 : x
  2. Step 2: Convert to fraction form
    10,891,507.60/16,337,261.40 = 9,379,853.20/x
  3. Step 3: Cross multiply
    10,891,507.60x = 16,337,261.40 × 9,379,853.20
  4. Step 4: Simplify right side
    10,891,507.60x = 153,241,113,622,026.47
  5. Step 5: Solve for x
    x = 153,241,113,622,026.47/10,891,507.60
  6. Step 6: Final answer
    x = 14,069,779.80

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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.