Home / 21,606,641.76-29,816,746.59-11,817,055.65

Finding the Fourth Proportional to 21,606,641.76, 29,816,746.59 and 11,817,055.65

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Solution

The fourth proportional to 21,606,641.76, 29,816,746.59 and 11,817,055.65 is: 16,307,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606,641.76 : 29,816,746.59 = 11,817,055.65 : x
  2. Step 2: Convert to fraction form
    21,606,641.76/29,816,746.59 = 11,817,055.65/x
  3. Step 3: Cross multiply
    21,606,641.76x = 29,816,746.59 × 11,817,055.65
  4. Step 4: Simplify right side
    21,606,641.76x = 352,346,153,755,977.75
  5. Step 5: Solve for x
    x = 352,346,153,755,977.75/21,606,641.76
  6. Step 6: Final answer
    x = 16,307,307.62

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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.