Home / 15,553,614.40-23,330,421.60-12,341,348.80

Finding the Fourth Proportional to 15,553,614.40, 23,330,421.60 and 12,341,348.80

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Solution

The fourth proportional to 15,553,614.40, 23,330,421.60 and 12,341,348.80 is: 18,512,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,614.40 : 23,330,421.60 = 12,341,348.80 : x
  2. Step 2: Convert to fraction form
    15,553,614.40/23,330,421.60 = 12,341,348.80/x
  3. Step 3: Cross multiply
    15,553,614.40x = 23,330,421.60 × 12,341,348.80
  4. Step 4: Simplify right side
    15,553,614.40x = 287,928,870,616,654.12
  5. Step 5: Solve for x
    x = 287,928,870,616,654.12/15,553,614.40
  6. Step 6: Final answer
    x = 18,512,023.20

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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.