Home / 12,732,875.80-19,099,313.70-12,480,933.40

Finding the Fourth Proportional to 12,732,875.80, 19,099,313.70 and 12,480,933.40

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Solution

The fourth proportional to 12,732,875.80, 19,099,313.70 and 12,480,933.40 is: 18,721,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732,875.80 : 19,099,313.70 = 12,480,933.40 : x
  2. Step 2: Convert to fraction form
    12,732,875.80/19,099,313.70 = 12,480,933.40/x
  3. Step 3: Cross multiply
    12,732,875.80x = 19,099,313.70 × 12,480,933.40
  4. Step 4: Simplify right side
    12,732,875.80x = 238,377,262,275,407.56
  5. Step 5: Solve for x
    x = 238,377,262,275,407.56/12,732,875.80
  6. Step 6: Final answer
    x = 18,721,400.10

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1.5x scale

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.