Home / 8,860,854.40-13,291,281.60-5,071,220.80

Finding the Fourth Proportional to 8,860,854.40, 13,291,281.60 and 5,071,220.80

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Solution

The fourth proportional to 8,860,854.40, 13,291,281.60 and 5,071,220.80 is: 7,606,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860,854.40 : 13,291,281.60 = 5,071,220.80 : x
  2. Step 2: Convert to fraction form
    8,860,854.40/13,291,281.60 = 5,071,220.80/x
  3. Step 3: Cross multiply
    8,860,854.40x = 13,291,281.60 × 5,071,220.80
  4. Step 4: Simplify right side
    8,860,854.40x = 67,403,023,708,577.27
  5. Step 5: Solve for x
    x = 67,403,023,708,577.27/8,860,854.40
  6. Step 6: Final answer
    x = 7,606,831.20

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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.