Home / 39,685,491.60-59,497,959.60-18,105,001.80

Finding the Fourth Proportional to 39,685,491.60, 59,497,959.60 and 18,105,001.80

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Solution

The fourth proportional to 39,685,491.60, 59,497,959.60 and 18,105,001.80 is: 27,143,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685,491.60 : 59,497,959.60 = 18,105,001.80 : x
  2. Step 2: Convert to fraction form
    39,685,491.60/59,497,959.60 = 18,105,001.80/x
  3. Step 3: Cross multiply
    39,685,491.60x = 59,497,959.60 × 18,105,001.80
  4. Step 4: Simplify right side
    39,685,491.60x = 1,077,210,665,654,327.38
  5. Step 5: Solve for x
    x = 1,077,210,665,654,327.38/39,685,491.60
  6. Step 6: Final answer
    x = 27,143,689.60

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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.