Home / 12,445,512-18,671,417.28-3,470,064

Finding the Fourth Proportional to 12,445,512, 18,671,417.28 and 3,470,064

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Solution

The fourth proportional to 12,445,512, 18,671,417.28 and 3,470,064 is: 5,205,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,512 : 18,671,417.28 = 3,470,064 : x
  2. Step 2: Convert to fraction form
    12,445,512/18,671,417.28 = 3,470,064/x
  3. Step 3: Cross multiply
    12,445,512x = 18,671,417.28 × 3,470,064
  4. Step 4: Simplify right side
    12,445,512x = 64,791,012,932,305.92
  5. Step 5: Solve for x
    x = 64,791,012,932,305.92/12,445,512
  6. Step 6: Final answer
    x = 5,205,974.08

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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.