Home / 8,012,001.30-12,018,001.95-3,220,430.10

Finding the Fourth Proportional to 8,012,001.30, 12,018,001.95 and 3,220,430.10

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Solution

The fourth proportional to 8,012,001.30, 12,018,001.95 and 3,220,430.10 is: 4,830,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012,001.30 : 12,018,001.95 = 3,220,430.10 : x
  2. Step 2: Convert to fraction form
    8,012,001.30/12,018,001.95 = 3,220,430.10/x
  3. Step 3: Cross multiply
    8,012,001.30x = 12,018,001.95 × 3,220,430.10
  4. Step 4: Simplify right side
    8,012,001.30x = 38,703,135,221,638.70
  5. Step 5: Solve for x
    x = 38,703,135,221,638.70/8,012,001.30
  6. Step 6: Final answer
    x = 4,830,645.15

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Similar ratio
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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.