Home / 10,080,740.90-15,121,111.35-8,506,100.90

Finding the Fourth Proportional to 10,080,740.90, 15,121,111.35 and 8,506,100.90

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Solution

The fourth proportional to 10,080,740.90, 15,121,111.35 and 8,506,100.90 is: 12,759,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,740.90 : 15,121,111.35 = 8,506,100.90 : x
  2. Step 2: Convert to fraction form
    10,080,740.90/15,121,111.35 = 8,506,100.90/x
  3. Step 3: Cross multiply
    10,080,740.90x = 15,121,111.35 × 8,506,100.90
  4. Step 4: Simplify right side
    10,080,740.90x = 128,621,698,863,235.22
  5. Step 5: Solve for x
    x = 128,621,698,863,235.22/10,080,740.90
  6. Step 6: Final answer
    x = 12,759,151.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.