Home / 21,710,447.01-29,960,416.98-11,920,891.17

Finding the Fourth Proportional to 21,710,447.01, 29,960,416.98 and 11,920,891.17

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Solution

The fourth proportional to 21,710,447.01, 29,960,416.98 and 11,920,891.17 is: 16,450,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710,447.01 : 29,960,416.98 = 11,920,891.17 : x
  2. Step 2: Convert to fraction form
    21,710,447.01/29,960,416.98 = 11,920,891.17/x
  3. Step 3: Cross multiply
    21,710,447.01x = 29,960,416.98 × 11,920,891.17
  4. Step 4: Simplify right side
    21,710,447.01x = 357,154,870,226,400.06
  5. Step 5: Solve for x
    x = 357,154,870,226,400.06/21,710,447.01
  6. Step 6: Final answer
    x = 16,450,829.87

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1.5x scale

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.