Home / 28,607,673.35-39,478,314.78-15,554,934.95

Finding the Fourth Proportional to 28,607,673.35, 39,478,314.78 and 15,554,934.95

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Solution

The fourth proportional to 28,607,673.35, 39,478,314.78 and 15,554,934.95 is: 21,465,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607,673.35 : 39,478,314.78 = 15,554,934.95 : x
  2. Step 2: Convert to fraction form
    28,607,673.35/39,478,314.78 = 15,554,934.95/x
  3. Step 3: Cross multiply
    28,607,673.35x = 39,478,314.78 × 15,554,934.95
  4. Step 4: Simplify right side
    28,607,673.35x = 614,082,618,437,219.38
  5. Step 5: Solve for x
    x = 614,082,618,437,219.38/28,607,673.35
  6. Step 6: Final answer
    x = 21,465,661.01

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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.