Home / 12,826,167.03-17,700,397.02-7,319,432.25

Finding the Fourth Proportional to 12,826,167.03, 17,700,397.02 and 7,319,432.25

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Solution

The fourth proportional to 12,826,167.03, 17,700,397.02 and 7,319,432.25 is: 10,100,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,167.03 : 17,700,397.02 = 7,319,432.25 : x
  2. Step 2: Convert to fraction form
    12,826,167.03/17,700,397.02 = 7,319,432.25/x
  3. Step 3: Cross multiply
    12,826,167.03x = 17,700,397.02 × 7,319,432.25
  4. Step 4: Simplify right side
    12,826,167.03x = 129,556,856,785,991.89
  5. Step 5: Solve for x
    x = 129,556,856,785,991.89/12,826,167.03
  6. Step 6: Final answer
    x = 10,100,980.01

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1.5x scale

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.