Home / 42,048,015.40-63,072,023.10-15,118,172.20

Finding the Fourth Proportional to 42,048,015.40, 63,072,023.10 and 15,118,172.20

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Solution

The fourth proportional to 42,048,015.40, 63,072,023.10 and 15,118,172.20 is: 22,677,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,048,015.40 : 63,072,023.10 = 15,118,172.20 : x
  2. Step 2: Convert to fraction form
    42,048,015.40/63,072,023.10 = 15,118,172.20/x
  3. Step 3: Cross multiply
    42,048,015.40x = 63,072,023.10 × 15,118,172.20
  4. Step 4: Simplify right side
    42,048,015.40x = 953,533,706,228,177.75
  5. Step 5: Solve for x
    x = 953,533,706,228,177.75/42,048,015.40
  6. Step 6: Final answer
    x = 22,677,258.30

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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.