Home / 12,225,876.66-16,872,089.58-6,719,151.60

Finding the Fourth Proportional to 12,225,876.66, 16,872,089.58 and 6,719,151.60

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Solution

The fourth proportional to 12,225,876.66, 16,872,089.58 and 6,719,151.60 is: 9,272,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,876.66 : 16,872,089.58 = 6,719,151.60 : x
  2. Step 2: Convert to fraction form
    12,225,876.66/16,872,089.58 = 6,719,151.60/x
  3. Step 3: Cross multiply
    12,225,876.66x = 16,872,089.58 × 6,719,151.60
  4. Step 4: Simplify right side
    12,225,876.66x = 113,366,127,696,800.31
  5. Step 5: Solve for x
    x = 113,366,127,696,800.31/12,225,876.66
  6. Step 6: Final answer
    x = 9,272,637.93

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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.