Home / 10,278,061.20-15,417,091.80-3,090,704.40

Finding the Fourth Proportional to 10,278,061.20, 15,417,091.80 and 3,090,704.40

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Solution

The fourth proportional to 10,278,061.20, 15,417,091.80 and 3,090,704.40 is: 4,636,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278,061.20 : 15,417,091.80 = 3,090,704.40 : x
  2. Step 2: Convert to fraction form
    10,278,061.20/15,417,091.80 = 3,090,704.40/x
  3. Step 3: Cross multiply
    10,278,061.20x = 15,417,091.80 × 3,090,704.40
  4. Step 4: Simplify right side
    10,278,061.20x = 47,649,673,461,463.92
  5. Step 5: Solve for x
    x = 47,649,673,461,463.92/10,278,061.20
  6. Step 6: Final answer
    x = 4,636,056.60

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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.