Home / 12,781,904.23-17,639,463.07-7,559,389.24

Finding the Fourth Proportional to 12,781,904.23, 17,639,463.07 and 7,559,389.24

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Solution

The fourth proportional to 12,781,904.23, 17,639,463.07 and 7,559,389.24 is: 10,432,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,904.23 : 17,639,463.07 = 7,559,389.24 : x
  2. Step 2: Convert to fraction form
    12,781,904.23/17,639,463.07 = 7,559,389.24/x
  3. Step 3: Cross multiply
    12,781,904.23x = 17,639,463.07 × 7,559,389.24
  4. Step 4: Simplify right side
    12,781,904.23x = 133,343,567,296,085.94
  5. Step 5: Solve for x
    x = 133,343,567,296,085.94/12,781,904.23
  6. Step 6: Final answer
    x = 10,432,214.55

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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.