Home / 23,123,943.90-31,908,715.11-12,808,740.06

Finding the Fourth Proportional to 23,123,943.90, 31,908,715.11 and 12,808,740.06

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Solution

The fourth proportional to 23,123,943.90, 31,908,715.11 and 12,808,740.06 is: 17,674,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123,943.90 : 31,908,715.11 = 12,808,740.06 : x
  2. Step 2: Convert to fraction form
    23,123,943.90/31,908,715.11 = 12,808,740.06/x
  3. Step 3: Cross multiply
    23,123,943.90x = 31,908,715.11 × 12,808,740.06
  4. Step 4: Simplify right side
    23,123,943.90x = 408,710,437,492,584.31
  5. Step 5: Solve for x
    x = 408,710,437,492,584.31/23,123,943.90
  6. Step 6: Final answer
    x = 17,674,772.06

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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.