Home / 20,716,807.20-31,075,210.80-16,433,786.40

Finding the Fourth Proportional to 20,716,807.20, 31,075,210.80 and 16,433,786.40

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Solution

The fourth proportional to 20,716,807.20, 31,075,210.80 and 16,433,786.40 is: 24,650,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,807.20 : 31,075,210.80 = 16,433,786.40 : x
  2. Step 2: Convert to fraction form
    20,716,807.20/31,075,210.80 = 16,433,786.40/x
  3. Step 3: Cross multiply
    20,716,807.20x = 31,075,210.80 × 16,433,786.40
  4. Step 4: Simplify right side
    20,716,807.20x = 510,683,376,622,173.12
  5. Step 5: Solve for x
    x = 510,683,376,622,173.12/20,716,807.20
  6. Step 6: Final answer
    x = 24,650,679.60

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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.