Home / 8,992,140.02-12,409,468.78-5,124,036.86

Finding the Fourth Proportional to 8,992,140.02, 12,409,468.78 and 5,124,036.86

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Solution

The fourth proportional to 8,992,140.02, 12,409,468.78 and 5,124,036.86 is: 7,071,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992,140.02 : 12,409,468.78 = 5,124,036.86 : x
  2. Step 2: Convert to fraction form
    8,992,140.02/12,409,468.78 = 5,124,036.86/x
  3. Step 3: Cross multiply
    8,992,140.02x = 12,409,468.78 × 5,124,036.86
  4. Step 4: Simplify right side
    8,992,140.02x = 63,586,575,441,739.23
  5. Step 5: Solve for x
    x = 63,586,575,441,739.23/8,992,140.02
  6. Step 6: Final answer
    x = 7,071,350.68

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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.