Home / 12,758,430.40-19,137,645.60-6,039,966.40

Finding the Fourth Proportional to 12,758,430.40, 19,137,645.60 and 6,039,966.40

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Solution

The fourth proportional to 12,758,430.40, 19,137,645.60 and 6,039,966.40 is: 9,059,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758,430.40 : 19,137,645.60 = 6,039,966.40 : x
  2. Step 2: Convert to fraction form
    12,758,430.40/19,137,645.60 = 6,039,966.40/x
  3. Step 3: Cross multiply
    12,758,430.40x = 19,137,645.60 × 6,039,966.40
  4. Step 4: Simplify right side
    12,758,430.40x = 115,590,736,399,107.86
  5. Step 5: Solve for x
    x = 115,590,736,399,107.86/12,758,430.40
  6. Step 6: Final answer
    x = 9,059,949.60

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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.