Home / 7,854,424.02-11,762,740.35-4,478,395.86

Finding the Fourth Proportional to 7,854,424.02, 11,762,740.35 and 4,478,395.86

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Solution

The fourth proportional to 7,854,424.02, 11,762,740.35 and 4,478,395.86 is: 6,706,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854,424.02 : 11,762,740.35 = 4,478,395.86 : x
  2. Step 2: Convert to fraction form
    7,854,424.02/11,762,740.35 = 4,478,395.86/x
  3. Step 3: Cross multiply
    7,854,424.02x = 11,762,740.35 × 4,478,395.86
  4. Step 4: Simplify right side
    7,854,424.02x = 52,678,207,685,694.95
  5. Step 5: Solve for x
    x = 52,678,207,685,694.95/7,854,424.02
  6. Step 6: Final answer
    x = 6,706,819.95

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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.