Home / 10,878,645.04-15,034,060.93-8,915,427.25

Finding the Fourth Proportional to 10,878,645.04, 15,034,060.93 and 8,915,427.25

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Solution

The fourth proportional to 10,878,645.04, 15,034,060.93 and 8,915,427.25 is: 12,320,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,645.04 : 15,034,060.93 = 8,915,427.25 : x
  2. Step 2: Convert to fraction form
    10,878,645.04/15,034,060.93 = 8,915,427.25/x
  3. Step 3: Cross multiply
    10,878,645.04x = 15,034,060.93 × 8,915,427.25
  4. Step 4: Simplify right side
    10,878,645.04x = 134,035,076,493,482.34
  5. Step 5: Solve for x
    x = 134,035,076,493,482.34/10,878,645.04
  6. Step 6: Final answer
    x = 12,320,934.82

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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.