Home / 8,788,613.90-12,128,384.19-4,868,430.06

Finding the Fourth Proportional to 8,788,613.90, 12,128,384.19 and 4,868,430.06

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Solution

The fourth proportional to 8,788,613.90, 12,128,384.19 and 4,868,430.06 is: 6,718,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788,613.90 : 12,128,384.19 = 4,868,430.06 : x
  2. Step 2: Convert to fraction form
    8,788,613.90/12,128,384.19 = 4,868,430.06/x
  3. Step 3: Cross multiply
    8,788,613.90x = 12,128,384.19 × 4,868,430.06
  4. Step 4: Simplify right side
    8,788,613.90x = 59,046,190,169,824.74
  5. Step 5: Solve for x
    x = 59,046,190,169,824.74/8,788,613.90
  6. Step 6: Final answer
    x = 6,718,487.22

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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.