Home / 42,709,326.40-64,057,768.80-12,414,030.40

Finding the Fourth Proportional to 42,709,326.40, 64,057,768.80 and 12,414,030.40

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Solution

The fourth proportional to 42,709,326.40, 64,057,768.80 and 12,414,030.40 is: 18,619,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,709,326.40 : 64,057,768.80 = 12,414,030.40 : x
  2. Step 2: Convert to fraction form
    42,709,326.40/64,057,768.80 = 12,414,030.40/x
  3. Step 3: Cross multiply
    42,709,326.40x = 64,057,768.80 × 12,414,030.40
  4. Step 4: Simplify right side
    42,709,326.40x = 795,215,089,239,371.50
  5. Step 5: Solve for x
    x = 795,215,089,239,371.50/42,709,326.40
  6. Step 6: Final answer
    x = 18,619,237.44

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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.