Home / 9,700,012.40-14,550,018.60-7,999,401.20

Finding the Fourth Proportional to 9,700,012.40, 14,550,018.60 and 7,999,401.20

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Solution

The fourth proportional to 9,700,012.40, 14,550,018.60 and 7,999,401.20 is: 11,999,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,700,012.40 : 14,550,018.60 = 7,999,401.20 : x
  2. Step 2: Convert to fraction form
    9,700,012.40/14,550,018.60 = 7,999,401.20/x
  3. Step 3: Cross multiply
    9,700,012.40x = 14,550,018.60 × 7,999,401.20
  4. Step 4: Simplify right side
    9,700,012.40x = 116,391,436,248,862.31
  5. Step 5: Solve for x
    x = 116,391,436,248,862.31/9,700,012.40
  6. Step 6: Final answer
    x = 11,999,101.80

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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.