Home / 8,938,721.19-13,347,294.16-8,433,556.95

Finding the Fourth Proportional to 8,938,721.19, 13,347,294.16 and 8,433,556.95

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Solution

The fourth proportional to 8,938,721.19, 13,347,294.16 and 8,433,556.95 is: 12,592,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,721.19 : 13,347,294.16 = 8,433,556.95 : x
  2. Step 2: Convert to fraction form
    8,938,721.19/13,347,294.16 = 8,433,556.95/x
  3. Step 3: Cross multiply
    8,938,721.19x = 13,347,294.16 × 8,433,556.95
  4. Step 4: Simplify right side
    8,938,721.19x = 112,565,165,405,678.52
  5. Step 5: Solve for x
    x = 112,565,165,405,678.52/8,938,721.19
  6. Step 6: Final answer
    x = 12,592,983.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.