Home / 13,130,547.91-19,696,766.55-5,043,523.90

Finding the Fourth Proportional to 13,130,547.91, 19,696,766.55 and 5,043,523.90

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Solution

The fourth proportional to 13,130,547.91, 19,696,766.55 and 5,043,523.90 is: 7,565,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,130,547.91 : 19,696,766.55 = 5,043,523.90 : x
  2. Step 2: Convert to fraction form
    13,130,547.91/19,696,766.55 = 5,043,523.90/x
  3. Step 3: Cross multiply
    13,130,547.91x = 19,696,766.55 × 5,043,523.90
  4. Step 4: Simplify right side
    13,130,547.91x = 99,341,112,749,161.70
  5. Step 5: Solve for x
    x = 99,341,112,749,161.70/13,130,547.91
  6. Step 6: Final answer
    x = 7,565,648.70

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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.