Home / 28,589,123.52-39,462,184.80-18,303,549.12

Finding the Fourth Proportional to 28,589,123.52, 39,462,184.80 and 18,303,549.12

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Solution

The fourth proportional to 28,589,123.52, 39,462,184.80 and 18,303,549.12 is: 25,264,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589,123.52 : 39,462,184.80 = 18,303,549.12 : x
  2. Step 2: Convert to fraction form
    28,589,123.52/39,462,184.80 = 18,303,549.12/x
  3. Step 3: Cross multiply
    28,589,123.52x = 39,462,184.80 × 18,303,549.12
  4. Step 4: Simplify right side
    28,589,123.52x = 722,298,037,869,317.38
  5. Step 5: Solve for x
    x = 722,298,037,869,317.38/28,589,123.52
  6. Step 6: Final answer
    x = 25,264,784.26

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1.5x scale

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.