Home / 7,913,652.60-10,920,859.86-4,291,980.60

Finding the Fourth Proportional to 7,913,652.60, 10,920,859.86 and 4,291,980.60

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Solution

The fourth proportional to 7,913,652.60, 10,920,859.86 and 4,291,980.60 is: 5,922,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,652.60 : 10,920,859.86 = 4,291,980.60 : x
  2. Step 2: Convert to fraction form
    7,913,652.60/10,920,859.86 = 4,291,980.60/x
  3. Step 3: Cross multiply
    7,913,652.60x = 10,920,859.86 × 4,291,980.60
  4. Step 4: Simplify right side
    7,913,652.60x = 46,872,118,654,438.71
  5. Step 5: Solve for x
    x = 46,872,118,654,438.71/7,913,652.60
  6. Step 6: Final answer
    x = 5,922,943.68

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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.