Home / 13,306,875.10-19,960,312.65-11,960,557.90

Finding the Fourth Proportional to 13,306,875.10, 19,960,312.65 and 11,960,557.90

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Solution

The fourth proportional to 13,306,875.10, 19,960,312.65 and 11,960,557.90 is: 17,940,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,875.10 : 19,960,312.65 = 11,960,557.90 : x
  2. Step 2: Convert to fraction form
    13,306,875.10/19,960,312.65 = 11,960,557.90/x
  3. Step 3: Cross multiply
    13,306,875.10x = 19,960,312.65 × 11,960,557.90
  4. Step 4: Simplify right side
    13,306,875.10x = 238,736,475,152,427.44
  5. Step 5: Solve for x
    x = 238,736,475,152,427.44/13,306,875.10
  6. Step 6: Final answer
    x = 17,940,836.85

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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.