Home / 31,347,285.40-47,020,928.10-19,070,998.30

Finding the Fourth Proportional to 31,347,285.40, 47,020,928.10 and 19,070,998.30

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Solution

The fourth proportional to 31,347,285.40, 47,020,928.10 and 19,070,998.30 is: 28,606,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347,285.40 : 47,020,928.10 = 19,070,998.30 : x
  2. Step 2: Convert to fraction form
    31,347,285.40/47,020,928.10 = 19,070,998.30/x
  3. Step 3: Cross multiply
    31,347,285.40x = 47,020,928.10 × 19,070,998.30
  4. Step 4: Simplify right side
    31,347,285.40x = 896,736,039,859,522.25
  5. Step 5: Solve for x
    x = 896,736,039,859,522.25/31,347,285.40
  6. Step 6: Final answer
    x = 28,606,497.45

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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.