Home / 7,802,859.10-11,704,288.65-7,047,031.90

Finding the Fourth Proportional to 7,802,859.10, 11,704,288.65 and 7,047,031.90

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Solution

The fourth proportional to 7,802,859.10, 11,704,288.65 and 7,047,031.90 is: 10,570,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802,859.10 : 11,704,288.65 = 7,047,031.90 : x
  2. Step 2: Convert to fraction form
    7,802,859.10/11,704,288.65 = 7,047,031.90/x
  3. Step 3: Cross multiply
    7,802,859.10x = 11,704,288.65 × 7,047,031.90
  4. Step 4: Simplify right side
    7,802,859.10x = 82,480,495,483,357.94
  5. Step 5: Solve for x
    x = 82,480,495,483,357.94/7,802,859.10
  6. Step 6: Final answer
    x = 10,570,547.85

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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.