Home / 12,558,320.10-18,838,862.55-4,581,872.10

Finding the Fourth Proportional to 12,558,320.10, 18,838,862.55 and 4,581,872.10

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Solution

The fourth proportional to 12,558,320.10, 18,838,862.55 and 4,581,872.10 is: 6,873,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,320.10 : 18,838,862.55 = 4,581,872.10 : x
  2. Step 2: Convert to fraction form
    12,558,320.10/18,838,862.55 = 4,581,872.10/x
  3. Step 3: Cross multiply
    12,558,320.10x = 18,838,862.55 × 4,581,872.10
  4. Step 4: Simplify right side
    12,558,320.10x = 86,317,258,713,579.84
  5. Step 5: Solve for x
    x = 86,317,258,713,579.84/12,558,320.10
  6. Step 6: Final answer
    x = 6,873,312.52

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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.