Home / 21,314,535.40-31,971,803.10-14,931,994.60

Finding the Fourth Proportional to 21,314,535.40, 31,971,803.10 and 14,931,994.60

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Solution

The fourth proportional to 21,314,535.40, 31,971,803.10 and 14,931,994.60 is: 22,397,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314,535.40 : 31,971,803.10 = 14,931,994.60 : x
  2. Step 2: Convert to fraction form
    21,314,535.40/31,971,803.10 = 14,931,994.60/x
  3. Step 3: Cross multiply
    21,314,535.40x = 31,971,803.10 × 14,931,994.60
  4. Step 4: Simplify right side
    21,314,535.40x = 477,402,791,241,463.25
  5. Step 5: Solve for x
    x = 477,402,791,241,463.25/21,314,535.40
  6. Step 6: Final answer
    x = 22,397,991.90

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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.