Home / 12,097,707.40-18,125,565.90-10,208,139.40

Finding the Fourth Proportional to 12,097,707.40, 18,125,565.90 and 10,208,139.40

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Solution

The fourth proportional to 12,097,707.40, 18,125,565.90 and 10,208,139.40 is: 15,294,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,707.40 : 18,125,565.90 = 10,208,139.40 : x
  2. Step 2: Convert to fraction form
    12,097,707.40/18,125,565.90 = 10,208,139.40/x
  3. Step 3: Cross multiply
    12,097,707.40x = 18,125,565.90 × 10,208,139.40
  4. Step 4: Simplify right side
    12,097,707.40x = 185,028,303,411,086.44
  5. Step 5: Solve for x
    x = 185,028,303,411,086.44/12,097,707.40
  6. Step 6: Final answer
    x = 15,294,493.19

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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.