Home / 12,960,101.90-19,430,821.65-7,282,066.70

Finding the Fourth Proportional to 12,960,101.90, 19,430,821.65 and 7,282,066.70

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Solution

The fourth proportional to 12,960,101.90, 19,430,821.65 and 7,282,066.70 is: 10,917,857.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,101.90 : 19,430,821.65 = 7,282,066.70 : x
  2. Step 2: Convert to fraction form
    12,960,101.90/19,430,821.65 = 7,282,066.70/x
  3. Step 3: Cross multiply
    12,960,101.90x = 19,430,821.65 × 7,282,066.70
  4. Step 4: Simplify right side
    12,960,101.90x = 141,496,539,291,104.06
  5. Step 5: Solve for x
    x = 141,496,539,291,104.06/12,960,101.90
  6. Step 6: Final answer
    x = 10,917,857.00

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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.