Home / 8,748,085.80-13,122,128.70-5,346,863.40

Finding the Fourth Proportional to 8,748,085.80, 13,122,128.70 and 5,346,863.40

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Solution

The fourth proportional to 8,748,085.80, 13,122,128.70 and 5,346,863.40 is: 8,020,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,085.80 : 13,122,128.70 = 5,346,863.40 : x
  2. Step 2: Convert to fraction form
    8,748,085.80/13,122,128.70 = 5,346,863.40/x
  3. Step 3: Cross multiply
    8,748,085.80x = 13,122,128.70 × 5,346,863.40
  4. Step 4: Simplify right side
    8,748,085.80x = 70,162,229,676,119.58
  5. Step 5: Solve for x
    x = 70,162,229,676,119.58/8,748,085.80
  6. Step 6: Final answer
    x = 8,020,295.10

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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.