Home / 7,423,149.86-10,219,287.93-6,657,874.82

Finding the Fourth Proportional to 7,423,149.86, 10,219,287.93 and 6,657,874.82

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Solution

The fourth proportional to 7,423,149.86, 10,219,287.93 and 6,657,874.82 is: 9,165,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423,149.86 : 10,219,287.93 = 6,657,874.82 : x
  2. Step 2: Convert to fraction form
    7,423,149.86/10,219,287.93 = 6,657,874.82/x
  3. Step 3: Cross multiply
    7,423,149.86x = 10,219,287.93 × 6,657,874.82
  4. Step 4: Simplify right side
    7,423,149.86x = 68,038,739,736,380.48
  5. Step 5: Solve for x
    x = 68,038,739,736,380.48/7,423,149.86
  6. Step 6: Final answer
    x = 9,165,750.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.