Home / 10,656,465.60-15,984,698.40-7,255,243.20

Finding the Fourth Proportional to 10,656,465.60, 15,984,698.40 and 7,255,243.20

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Solution

The fourth proportional to 10,656,465.60, 15,984,698.40 and 7,255,243.20 is: 10,882,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,465.60 : 15,984,698.40 = 7,255,243.20 : x
  2. Step 2: Convert to fraction form
    10,656,465.60/15,984,698.40 = 7,255,243.20/x
  3. Step 3: Cross multiply
    10,656,465.60x = 15,984,698.40 × 7,255,243.20
  4. Step 4: Simplify right side
    10,656,465.60x = 115,972,874,370,650.89
  5. Step 5: Solve for x
    x = 115,972,874,370,650.89/10,656,465.60
  6. Step 6: Final answer
    x = 10,882,864.80

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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.