Home / 12,596,987.10-18,881,483.85-6,921,284.70

Finding the Fourth Proportional to 12,596,987.10, 18,881,483.85 and 6,921,284.70

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Solution

The fourth proportional to 12,596,987.10, 18,881,483.85 and 6,921,284.70 is: 10,374,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,987.10 : 18,881,483.85 = 6,921,284.70 : x
  2. Step 2: Convert to fraction form
    12,596,987.10/18,881,483.85 = 6,921,284.70/x
  3. Step 3: Cross multiply
    12,596,987.10x = 18,881,483.85 × 6,921,284.70
  4. Step 4: Simplify right side
    12,596,987.10x = 130,684,125,284,302.11
  5. Step 5: Solve for x
    x = 130,684,125,284,302.11/12,596,987.10
  6. Step 6: Final answer
    x = 10,374,236.65

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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.