Home / 9,211,526.40-13,798,627.20-5,217,772.80

Finding the Fourth Proportional to 9,211,526.40, 13,798,627.20 and 5,217,772.80

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Solution

The fourth proportional to 9,211,526.40, 13,798,627.20 and 5,217,772.80 is: 7,816,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211,526.40 : 13,798,627.20 = 5,217,772.80 : x
  2. Step 2: Convert to fraction form
    9,211,526.40/13,798,627.20 = 5,217,772.80/x
  3. Step 3: Cross multiply
    9,211,526.40x = 13,798,627.20 × 5,217,772.80
  4. Step 4: Simplify right side
    9,211,526.40x = 71,998,101,681,500.16
  5. Step 5: Solve for x
    x = 71,998,101,681,500.16/9,211,526.40
  6. Step 6: Final answer
    x = 7,816,088.08

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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.