Home / 12,960,095.40-19,430,811.90-7,282,060.20

Finding the Fourth Proportional to 12,960,095.40, 19,430,811.90 and 7,282,060.20

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Solution

The fourth proportional to 12,960,095.40, 19,430,811.90 and 7,282,060.20 is: 10,917,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,095.40 : 19,430,811.90 = 7,282,060.20 : x
  2. Step 2: Convert to fraction form
    12,960,095.40/19,430,811.90 = 7,282,060.20/x
  3. Step 3: Cross multiply
    12,960,095.40x = 19,430,811.90 × 7,282,060.20
  4. Step 4: Simplify right side
    12,960,095.40x = 141,496,341,990,676.38
  5. Step 5: Solve for x
    x = 141,496,341,990,676.38/12,960,095.40
  6. Step 6: Final answer
    x = 10,917,847.26

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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.