Home / 10,366,578.68-15,549,868.02-7,138,074.60

Finding the Fourth Proportional to 10,366,578.68, 15,549,868.02 and 7,138,074.60

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Solution

The fourth proportional to 10,366,578.68, 15,549,868.02 and 7,138,074.60 is: 10,707,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,578.68 : 15,549,868.02 = 7,138,074.60 : x
  2. Step 2: Convert to fraction form
    10,366,578.68/15,549,868.02 = 7,138,074.60/x
  3. Step 3: Cross multiply
    10,366,578.68x = 15,549,868.02 × 7,138,074.60
  4. Step 4: Simplify right side
    10,366,578.68x = 110,996,117,946,914.28
  5. Step 5: Solve for x
    x = 110,996,117,946,914.28/10,366,578.68
  6. Step 6: Final answer
    x = 10,707,111.91

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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.