Home / 14,015,309.40-21,000,328.65-7,931,950.20

Finding the Fourth Proportional to 14,015,309.40, 21,000,328.65 and 7,931,950.20

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Solution

The fourth proportional to 14,015,309.40, 21,000,328.65 and 7,931,950.20 is: 11,885,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015,309.40 : 21,000,328.65 = 7,931,950.20 : x
  2. Step 2: Convert to fraction form
    14,015,309.40/21,000,328.65 = 7,931,950.20/x
  3. Step 3: Cross multiply
    14,015,309.40x = 21,000,328.65 × 7,931,950.20
  4. Step 4: Simplify right side
    14,015,309.40x = 166,573,561,035,433.22
  5. Step 5: Solve for x
    x = 166,573,561,035,433.22/14,015,309.40
  6. Step 6: Final answer
    x = 11,885,114.79

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1.5x scale

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.