Home / 21,562,920.88-29,746,088.44-12,854,957.52

Finding the Fourth Proportional to 21,562,920.88, 29,746,088.44 and 12,854,957.52

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Solution

The fourth proportional to 21,562,920.88, 29,746,088.44 and 12,854,957.52 is: 17,733,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,562,920.88 : 29,746,088.44 = 12,854,957.52 : x
  2. Step 2: Convert to fraction form
    21,562,920.88/29,746,088.44 = 12,854,957.52/x
  3. Step 3: Cross multiply
    21,562,920.88x = 29,746,088.44 × 12,854,957.52
  4. Step 4: Simplify right side
    21,562,920.88x = 382,384,703,282,363.06
  5. Step 5: Solve for x
    x = 382,384,703,282,363.06/21,562,920.88
  6. Step 6: Final answer
    x = 17,733,437.20

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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.