Home / 13,173,075.20-19,759,612.80-5,193,862.40

Finding the Fourth Proportional to 13,173,075.20, 19,759,612.80 and 5,193,862.40

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Solution

The fourth proportional to 13,173,075.20, 19,759,612.80 and 5,193,862.40 is: 7,790,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,075.20 : 19,759,612.80 = 5,193,862.40 : x
  2. Step 2: Convert to fraction form
    13,173,075.20/19,759,612.80 = 5,193,862.40/x
  3. Step 3: Cross multiply
    13,173,075.20x = 19,759,612.80 × 5,193,862.40
  4. Step 4: Simplify right side
    13,173,075.20x = 102,628,709,960,478.73
  5. Step 5: Solve for x
    x = 102,628,709,960,478.73/13,173,075.20
  6. Step 6: Final answer
    x = 7,790,793.60

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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.