Home / 28,512,045.80-42,768,068.70-7,236,909.80

Finding the Fourth Proportional to 28,512,045.80, 42,768,068.70 and 7,236,909.80

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Solution

The fourth proportional to 28,512,045.80, 42,768,068.70 and 7,236,909.80 is: 10,855,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,045.80 : 42,768,068.70 = 7,236,909.80 : x
  2. Step 2: Convert to fraction form
    28,512,045.80/42,768,068.70 = 7,236,909.80/x
  3. Step 3: Cross multiply
    28,512,045.80x = 42,768,068.70 × 7,236,909.80
  4. Step 4: Simplify right side
    28,512,045.80x = 309,508,655,502,103.25
  5. Step 5: Solve for x
    x = 309,508,655,502,103.25/28,512,045.80
  6. Step 6: Final answer
    x = 10,855,364.70

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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.