Home / 40,285,848.40-60,428,772.60-13,356,005.20

Finding the Fourth Proportional to 40,285,848.40, 60,428,772.60 and 13,356,005.20

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Solution

The fourth proportional to 40,285,848.40, 60,428,772.60 and 13,356,005.20 is: 20,034,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285,848.40 : 60,428,772.60 = 13,356,005.20 : x
  2. Step 2: Convert to fraction form
    40,285,848.40/60,428,772.60 = 13,356,005.20/x
  3. Step 3: Cross multiply
    40,285,848.40x = 60,428,772.60 × 13,356,005.20
  4. Step 4: Simplify right side
    40,285,848.40x = 807,087,001,075,217.50
  5. Step 5: Solve for x
    x = 807,087,001,075,217.50/40,285,848.40
  6. Step 6: Final answer
    x = 20,034,007.80

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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.