Home / 42,776,670.40-64,174,336.80-12,482,065.60

Finding the Fourth Proportional to 42,776,670.40, 64,174,336.80 and 12,482,065.60

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Solution

The fourth proportional to 42,776,670.40, 64,174,336.80 and 12,482,065.60 is: 18,725,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,776,670.40 : 64,174,336.80 = 12,482,065.60 : x
  2. Step 2: Convert to fraction form
    42,776,670.40/64,174,336.80 = 12,482,065.60/x
  3. Step 3: Cross multiply
    42,776,670.40x = 64,174,336.80 × 12,482,065.60
  4. Step 4: Simplify right side
    42,776,670.40x = 801,028,281,774,094
  5. Step 5: Solve for x
    x = 801,028,281,774,094/42,776,670.40
  6. Step 6: Final answer
    x = 18,725,821.21

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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.