Home / 28,364,909.40-42,547,709.70-9,195,514.20

Finding the Fourth Proportional to 28,364,909.40, 42,547,709.70 and 9,195,514.20

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Solution

The fourth proportional to 28,364,909.40, 42,547,709.70 and 9,195,514.20 is: 13,793,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364,909.40 : 42,547,709.70 = 9,195,514.20 : x
  2. Step 2: Convert to fraction form
    28,364,909.40/42,547,709.70 = 9,195,514.20/x
  3. Step 3: Cross multiply
    28,364,909.40x = 42,547,709.70 × 9,195,514.20
  4. Step 4: Simplify right side
    28,364,909.40x = 391,248,068,723,827.75
  5. Step 5: Solve for x
    x = 391,248,068,723,827.75/28,364,909.40
  6. Step 6: Final answer
    x = 13,793,383.34

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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.