Home / 13,020,280.40-19,475,124.60-11,682,117.20

Finding the Fourth Proportional to 13,020,280.40, 19,475,124.60 and 11,682,117.20

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Solution

The fourth proportional to 13,020,280.40, 19,475,124.60 and 11,682,117.20 is: 17,473,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020,280.40 : 19,475,124.60 = 11,682,117.20 : x
  2. Step 2: Convert to fraction form
    13,020,280.40/19,475,124.60 = 11,682,117.20/x
  3. Step 3: Cross multiply
    13,020,280.40x = 19,475,124.60 × 11,682,117.20
  4. Step 4: Simplify right side
    13,020,280.40x = 227,510,688,061,803.12
  5. Step 5: Solve for x
    x = 227,510,688,061,803.12/13,020,280.40
  6. Step 6: Final answer
    x = 17,473,562.86

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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.