Home / 14,580,596.40-21,823,655.40-12,879,985.20

Finding the Fourth Proportional to 14,580,596.40, 21,823,655.40 and 12,879,985.20

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Solution

The fourth proportional to 14,580,596.40, 21,823,655.40 and 12,879,985.20 is: 19,278,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580,596.40 : 21,823,655.40 = 12,879,985.20 : x
  2. Step 2: Convert to fraction form
    14,580,596.40/21,823,655.40 = 12,879,985.20/x
  3. Step 3: Cross multiply
    14,580,596.40x = 21,823,655.40 × 12,879,985.20
  4. Step 4: Simplify right side
    14,580,596.40x = 281,088,358,561,900.03
  5. Step 5: Solve for x
    x = 281,088,358,561,900.03/14,580,596.40
  6. Step 6: Final answer
    x = 19,278,248.35

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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.