Home / 12,975,217.40-19,463,085.30-3,390,001.40

Finding the Fourth Proportional to 12,975,217.40, 19,463,085.30 and 3,390,001.40

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Solution

The fourth proportional to 12,975,217.40, 19,463,085.30 and 3,390,001.40 is: 5,085,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975,217.40 : 19,463,085.30 = 3,390,001.40 : x
  2. Step 2: Convert to fraction form
    12,975,217.40/19,463,085.30 = 3,390,001.40/x
  3. Step 3: Cross multiply
    12,975,217.40x = 19,463,085.30 × 3,390,001.40
  4. Step 4: Simplify right side
    12,975,217.40x = 65,979,886,415,319.42
  5. Step 5: Solve for x
    x = 65,979,886,415,319.42/12,975,217.40
  6. Step 6: Final answer
    x = 5,085,069.82

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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.