Home / 9,315,035.20-13,972,552.80-7,827,000.40

Finding the Fourth Proportional to 9,315,035.20, 13,972,552.80 and 7,827,000.40

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Solution

The fourth proportional to 9,315,035.20, 13,972,552.80 and 7,827,000.40 is: 11,740,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315,035.20 : 13,972,552.80 = 7,827,000.40 : x
  2. Step 2: Convert to fraction form
    9,315,035.20/13,972,552.80 = 7,827,000.40/x
  3. Step 3: Cross multiply
    9,315,035.20x = 13,972,552.80 × 7,827,000.40
  4. Step 4: Simplify right side
    9,315,035.20x = 109,363,176,354,621.12
  5. Step 5: Solve for x
    x = 109,363,176,354,621.12/9,315,035.20
  6. Step 6: Final answer
    x = 11,740,500.60

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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.