Home / 15,552,041.20-23,328,061.80-7,979,772.40

Finding the Fourth Proportional to 15,552,041.20, 23,328,061.80 and 7,979,772.40

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Solution

The fourth proportional to 15,552,041.20, 23,328,061.80 and 7,979,772.40 is: 11,969,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552,041.20 : 23,328,061.80 = 7,979,772.40 : x
  2. Step 2: Convert to fraction form
    15,552,041.20/23,328,061.80 = 7,979,772.40/x
  3. Step 3: Cross multiply
    15,552,041.20x = 23,328,061.80 × 7,979,772.40
  4. Step 4: Simplify right side
    15,552,041.20x = 186,152,623,697,134.34
  5. Step 5: Solve for x
    x = 186,152,623,697,134.34/15,552,041.20
  6. Step 6: Final answer
    x = 11,969,658.60

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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.