Home / 9,112,014.61-12,574,714.49-6,172,730.65

Finding the Fourth Proportional to 9,112,014.61, 12,574,714.49 and 6,172,730.65

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Solution

The fourth proportional to 9,112,014.61, 12,574,714.49 and 6,172,730.65 is: 8,518,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112,014.61 : 12,574,714.49 = 6,172,730.65 : x
  2. Step 2: Convert to fraction form
    9,112,014.61/12,574,714.49 = 6,172,730.65/x
  3. Step 3: Cross multiply
    9,112,014.61x = 12,574,714.49 × 6,172,730.65
  4. Step 4: Simplify right side
    9,112,014.61x = 77,620,325,555,424.59
  5. Step 5: Solve for x
    x = 77,620,325,555,424.59/9,112,014.61
  6. Step 6: Final answer
    x = 8,518,459.30

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1.5x scale

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.