Home / 21,039,276.40-29,033,917.76-11,746,988.80

Finding the Fourth Proportional to 21,039,276.40, 29,033,917.76 and 11,746,988.80

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Solution

The fourth proportional to 21,039,276.40, 29,033,917.76 and 11,746,988.80 is: 16,210,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039,276.40 : 29,033,917.76 = 11,746,988.80 : x
  2. Step 2: Convert to fraction form
    21,039,276.40/29,033,917.76 = 11,746,988.80/x
  3. Step 3: Cross multiply
    21,039,276.40x = 29,033,917.76 × 11,746,988.80
  4. Step 4: Simplify right side
    21,039,276.40x = 341,061,106,746,841.12
  5. Step 5: Solve for x
    x = 341,061,106,746,841.12/21,039,276.40
  6. Step 6: Final answer
    x = 16,210,686.16

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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.