Home / 12,171,808.04-16,797,095.24-7,015,501.72

Finding the Fourth Proportional to 12,171,808.04, 16,797,095.24 and 7,015,501.72

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Solution

The fourth proportional to 12,171,808.04, 16,797,095.24 and 7,015,501.72 is: 9,681,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,808.04 : 16,797,095.24 = 7,015,501.72 : x
  2. Step 2: Convert to fraction form
    12,171,808.04/16,797,095.24 = 7,015,501.72/x
  3. Step 3: Cross multiply
    12,171,808.04x = 16,797,095.24 × 7,015,501.72
  4. Step 4: Simplify right side
    12,171,808.04x = 117,840,050,547,223.80
  5. Step 5: Solve for x
    x = 117,840,050,547,223.80/12,171,808.04
  6. Step 6: Final answer
    x = 9,681,392.46

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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.