Home / 15,158,543.10-20,918,842.95-8,283,025.17

Finding the Fourth Proportional to 15,158,543.10, 20,918,842.95 and 8,283,025.17

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Solution

The fourth proportional to 15,158,543.10, 20,918,842.95 and 8,283,025.17 is: 11,430,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,158,543.10 : 20,918,842.95 = 8,283,025.17 : x
  2. Step 2: Convert to fraction form
    15,158,543.10/20,918,842.95 = 8,283,025.17/x
  3. Step 3: Cross multiply
    15,158,543.10x = 20,918,842.95 × 8,283,025.17
  4. Step 4: Simplify right side
    15,158,543.10x = 173,271,302,577,532.84
  5. Step 5: Solve for x
    x = 173,271,302,577,532.84/15,158,543.10
  6. Step 6: Final answer
    x = 11,430,603.95

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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.