Home / 28,606,423.16-39,476,586.43-15,553,681.95

Finding the Fourth Proportional to 28,606,423.16, 39,476,586.43 and 15,553,681.95

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Solution

The fourth proportional to 28,606,423.16, 39,476,586.43 and 15,553,681.95 is: 21,463,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606,423.16 : 39,476,586.43 = 15,553,681.95 : x
  2. Step 2: Convert to fraction form
    28,606,423.16/39,476,586.43 = 15,553,681.95/x
  3. Step 3: Cross multiply
    28,606,423.16x = 39,476,586.43 × 15,553,681.95
  4. Step 4: Simplify right side
    28,606,423.16x = 614,006,269,803,905.88
  5. Step 5: Solve for x
    x = 614,006,269,803,905.88/28,606,423.16
  6. Step 6: Final answer
    x = 21,463,930.19

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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.