Home / 10,779,807.60-16,169,711.40-5,111,103.60

Finding the Fourth Proportional to 10,779,807.60, 16,169,711.40 and 5,111,103.60

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Solution

The fourth proportional to 10,779,807.60, 16,169,711.40 and 5,111,103.60 is: 7,666,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,807.60 : 16,169,711.40 = 5,111,103.60 : x
  2. Step 2: Convert to fraction form
    10,779,807.60/16,169,711.40 = 5,111,103.60/x
  3. Step 3: Cross multiply
    10,779,807.60x = 16,169,711.40 × 5,111,103.60
  4. Step 4: Simplify right side
    10,779,807.60x = 82,645,070,147,501.03
  5. Step 5: Solve for x
    x = 82,645,070,147,501.03/10,779,807.60
  6. Step 6: Final answer
    x = 7,666,655.40

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Similar ratio
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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.