Home / 15,371,973.79-21,213,774.96-8,403,036.46

Finding the Fourth Proportional to 15,371,973.79, 21,213,774.96 and 8,403,036.46

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Solution

The fourth proportional to 15,371,973.79, 21,213,774.96 and 8,403,036.46 is: 11,596,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371,973.79 : 21,213,774.96 = 8,403,036.46 : x
  2. Step 2: Convert to fraction form
    15,371,973.79/21,213,774.96 = 8,403,036.46/x
  3. Step 3: Cross multiply
    15,371,973.79x = 21,213,774.96 × 8,403,036.46
  4. Step 4: Simplify right side
    15,371,973.79x = 178,260,124,443,115.06
  5. Step 5: Solve for x
    x = 178,260,124,443,115.06/15,371,973.79
  6. Step 6: Final answer
    x = 11,596,436.92

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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.