Home / 21,808,248.17-30,090,096.95-12,386,943.36

Finding the Fourth Proportional to 21,808,248.17, 30,090,096.95 and 12,386,943.36

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Solution

The fourth proportional to 21,808,248.17, 30,090,096.95 and 12,386,943.36 is: 17,090,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808,248.17 : 30,090,096.95 = 12,386,943.36 : x
  2. Step 2: Convert to fraction form
    21,808,248.17/30,090,096.95 = 12,386,943.36/x
  3. Step 3: Cross multiply
    21,808,248.17x = 30,090,096.95 × 12,386,943.36
  4. Step 4: Simplify right side
    21,808,248.17x = 372,724,326,554,624
  5. Step 5: Solve for x
    x = 372,724,326,554,624/21,808,248.17
  6. Step 6: Final answer
    x = 17,090,979.69

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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.