Home / 12,817,764.73-17,688,071.95-7,312,921.71

Finding the Fourth Proportional to 12,817,764.73, 17,688,071.95 and 7,312,921.71

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Solution

The fourth proportional to 12,817,764.73, 17,688,071.95 and 7,312,921.71 is: 10,091,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,764.73 : 17,688,071.95 = 7,312,921.71 : x
  2. Step 2: Convert to fraction form
    12,817,764.73/17,688,071.95 = 7,312,921.71/x
  3. Step 3: Cross multiply
    12,817,764.73x = 17,688,071.95 × 7,312,921.71
  4. Step 4: Simplify right side
    12,817,764.73x = 129,351,485,371,197.03
  5. Step 5: Solve for x
    x = 129,351,485,371,197.03/12,817,764.73
  6. Step 6: Final answer
    x = 10,091,579.00

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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.