Home / 27,218,116.20-40,779,935.10-17,628,558.60

Finding the Fourth Proportional to 27,218,116.20, 40,779,935.10 and 17,628,558.60

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Solution

The fourth proportional to 27,218,116.20, 40,779,935.10 and 17,628,558.60 is: 26,412,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218,116.20 : 40,779,935.10 = 17,628,558.60 : x
  2. Step 2: Convert to fraction form
    27,218,116.20/40,779,935.10 = 17,628,558.60/x
  3. Step 3: Cross multiply
    27,218,116.20x = 40,779,935.10 × 17,628,558.60
  4. Step 4: Simplify right side
    27,218,116.20x = 718,891,475,614,547
  5. Step 5: Solve for x
    x = 718,891,475,614,547/27,218,116.20
  6. Step 6: Final answer
    x = 26,412,242.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.