Home / 28,217,833.52-42,319,066.07-7,742,698.34

Finding the Fourth Proportional to 28,217,833.52, 42,319,066.07 and 7,742,698.34

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Solution

The fourth proportional to 28,217,833.52, 42,319,066.07 and 7,742,698.34 is: 11,611,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,217,833.52 : 42,319,066.07 = 7,742,698.34 : x
  2. Step 2: Convert to fraction form
    28,217,833.52/42,319,066.07 = 7,742,698.34/x
  3. Step 3: Cross multiply
    28,217,833.52x = 42,319,066.07 × 7,742,698.34
  4. Step 4: Simplify right side
    28,217,833.52x = 327,663,762,418,300.75
  5. Step 5: Solve for x
    x = 327,663,762,418,300.75/28,217,833.52
  6. Step 6: Final answer
    x = 11,611,939.03

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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.