Home / 8,047,459.60-12,071,189.40-6,535,805.20

Finding the Fourth Proportional to 8,047,459.60, 12,071,189.40 and 6,535,805.20

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Solution

The fourth proportional to 8,047,459.60, 12,071,189.40 and 6,535,805.20 is: 9,803,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047,459.60 : 12,071,189.40 = 6,535,805.20 : x
  2. Step 2: Convert to fraction form
    8,047,459.60/12,071,189.40 = 6,535,805.20/x
  3. Step 3: Cross multiply
    8,047,459.60x = 12,071,189.40 × 6,535,805.20
  4. Step 4: Simplify right side
    8,047,459.60x = 78,894,942,450,704.89
  5. Step 5: Solve for x
    x = 78,894,942,450,704.89/8,047,459.60
  6. Step 6: Final answer
    x = 9,803,707.80

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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.