Home / 21,461,075.20-32,191,612.80-14,658,630.40

Finding the Fourth Proportional to 21,461,075.20, 32,191,612.80 and 14,658,630.40

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Solution

The fourth proportional to 21,461,075.20, 32,191,612.80 and 14,658,630.40 is: 21,987,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461,075.20 : 32,191,612.80 = 14,658,630.40 : x
  2. Step 2: Convert to fraction form
    21,461,075.20/32,191,612.80 = 14,658,630.40/x
  3. Step 3: Cross multiply
    21,461,075.20x = 32,191,612.80 × 14,658,630.40
  4. Step 4: Simplify right side
    21,461,075.20x = 471,884,954,015,109.12
  5. Step 5: Solve for x
    x = 471,884,954,015,109.12/21,461,075.20
  6. Step 6: Final answer
    x = 21,987,945.60

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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.