Home / 10,420,796.88-14,348,598.80-9,257,225.40

Finding the Fourth Proportional to 10,420,796.88, 14,348,598.80 and 9,257,225.40

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Solution

The fourth proportional to 10,420,796.88, 14,348,598.80 and 9,257,225.40 is: 12,746,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,796.88 : 14,348,598.80 = 9,257,225.40 : x
  2. Step 2: Convert to fraction form
    10,420,796.88/14,348,598.80 = 9,257,225.40/x
  3. Step 3: Cross multiply
    10,420,796.88x = 14,348,598.80 × 9,257,225.40
  4. Step 4: Simplify right side
    10,420,796.88x = 132,828,213,265,769.53
  5. Step 5: Solve for x
    x = 132,828,213,265,769.53/10,420,796.88
  6. Step 6: Final answer
    x = 12,746,454.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.