Home / 30,208,229.20-45,312,343.80-8,644,117.60

Finding the Fourth Proportional to 30,208,229.20, 45,312,343.80 and 8,644,117.60

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Solution

The fourth proportional to 30,208,229.20, 45,312,343.80 and 8,644,117.60 is: 12,966,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208,229.20 : 45,312,343.80 = 8,644,117.60 : x
  2. Step 2: Convert to fraction form
    30,208,229.20/45,312,343.80 = 8,644,117.60/x
  3. Step 3: Cross multiply
    30,208,229.20x = 45,312,343.80 × 8,644,117.60
  4. Step 4: Simplify right side
    30,208,229.20x = 391,685,228,538,830.81
  5. Step 5: Solve for x
    x = 391,685,228,538,830.81/30,208,229.20
  6. Step 6: Final answer
    x = 12,966,176.40

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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.