Home / 31,473,533.40-47,210,300.10-18,687,456.60

Finding the Fourth Proportional to 31,473,533.40, 47,210,300.10 and 18,687,456.60

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Solution

The fourth proportional to 31,473,533.40, 47,210,300.10 and 18,687,456.60 is: 28,031,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473,533.40 : 47,210,300.10 = 18,687,456.60 : x
  2. Step 2: Convert to fraction form
    31,473,533.40/47,210,300.10 = 18,687,456.60/x
  3. Step 3: Cross multiply
    31,473,533.40x = 47,210,300.10 × 18,687,456.60
  4. Step 4: Simplify right side
    31,473,533.40x = 882,240,434,191,725.75
  5. Step 5: Solve for x
    x = 882,240,434,191,725.75/31,473,533.40
  6. Step 6: Final answer
    x = 28,031,184.90

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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.