Home / 15,435,555.65-21,301,097.24-8,466,289.92

Finding the Fourth Proportional to 15,435,555.65, 21,301,097.24 and 8,466,289.92

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Solution

The fourth proportional to 15,435,555.65, 21,301,097.24 and 8,466,289.92 is: 11,683,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435,555.65 : 21,301,097.24 = 8,466,289.92 : x
  2. Step 2: Convert to fraction form
    15,435,555.65/21,301,097.24 = 8,466,289.92/x
  3. Step 3: Cross multiply
    15,435,555.65x = 21,301,097.24 × 8,466,289.92
  4. Step 4: Simplify right side
    15,435,555.65x = 180,341,264,928,136.25
  5. Step 5: Solve for x
    x = 180,341,264,928,136.25/15,435,555.65
  6. Step 6: Final answer
    x = 11,683,496.80

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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.