Home / 13,001,572.80-19,502,359.20-6,624,280.80

Finding the Fourth Proportional to 13,001,572.80, 19,502,359.20 and 6,624,280.80

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Solution

The fourth proportional to 13,001,572.80, 19,502,359.20 and 6,624,280.80 is: 9,936,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001,572.80 : 19,502,359.20 = 6,624,280.80 : x
  2. Step 2: Convert to fraction form
    13,001,572.80/19,502,359.20 = 6,624,280.80/x
  3. Step 3: Cross multiply
    13,001,572.80x = 19,502,359.20 × 6,624,280.80
  4. Step 4: Simplify right side
    13,001,572.80x = 129,189,103,603,263.34
  5. Step 5: Solve for x
    x = 129,189,103,603,263.34/13,001,572.80
  6. Step 6: Final answer
    x = 9,936,421.20

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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.