Home / 12,316,576.55-18,429,101.84-7,746,282.36

Finding the Fourth Proportional to 12,316,576.55, 18,429,101.84 and 7,746,282.36

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Solution

The fourth proportional to 12,316,576.55, 18,429,101.84 and 7,746,282.36 is: 11,590,641.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,576.55 : 18,429,101.84 = 7,746,282.36 : x
  2. Step 2: Convert to fraction form
    12,316,576.55/18,429,101.84 = 7,746,282.36/x
  3. Step 3: Cross multiply
    12,316,576.55x = 18,429,101.84 × 7,746,282.36
  4. Step 4: Simplify right side
    12,316,576.55x = 142,757,026,513,201.25
  5. Step 5: Solve for x
    x = 142,757,026,513,201.25/12,316,576.55
  6. Step 6: Final answer
    x = 11,590,641.77

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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.