Home / 31,838,962.01-47,776,957.18-13,393,554.93

Finding the Fourth Proportional to 31,838,962.01, 47,776,957.18 and 13,393,554.93

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Solution

The fourth proportional to 31,838,962.01, 47,776,957.18 and 13,393,554.93 is: 20,098,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838,962.01 : 47,776,957.18 = 13,393,554.93 : x
  2. Step 2: Convert to fraction form
    31,838,962.01/47,776,957.18 = 13,393,554.93/x
  3. Step 3: Cross multiply
    31,838,962.01x = 47,776,957.18 × 13,393,554.93
  4. Step 4: Simplify right side
    31,838,962.01x = 639,903,300,345,104
  5. Step 5: Solve for x
    x = 639,903,300,345,104/31,838,962.01
  6. Step 6: Final answer
    x = 20,098,120.67

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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.