Home / 7,002,785.58-9,663,825-3,905,312.30

Finding the Fourth Proportional to 7,002,785.58, 9,663,825 and 3,905,312.30

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Solution

The fourth proportional to 7,002,785.58, 9,663,825 and 3,905,312.30 is: 5,389,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,785.58 : 9,663,825 = 3,905,312.30 : x
  2. Step 2: Convert to fraction form
    7,002,785.58/9,663,825 = 3,905,312.30/x
  3. Step 3: Cross multiply
    7,002,785.58x = 9,663,825 × 3,905,312.30
  4. Step 4: Simplify right side
    7,002,785.58x = 37,740,254,637,547.50
  5. Step 5: Solve for x
    x = 37,740,254,637,547.50/7,002,785.58
  6. Step 6: Final answer
    x = 5,389,320.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.