Home / 22,209,163.84-30,648,728.16-12,918,962.80

Finding the Fourth Proportional to 22,209,163.84, 30,648,728.16 and 12,918,962.80

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Solution

The fourth proportional to 22,209,163.84, 30,648,728.16 and 12,918,962.80 is: 17,828,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209,163.84 : 30,648,728.16 = 12,918,962.80 : x
  2. Step 2: Convert to fraction form
    22,209,163.84/30,648,728.16 = 12,918,962.80/x
  3. Step 3: Cross multiply
    22,209,163.84x = 30,648,728.16 × 12,918,962.80
  4. Step 4: Simplify right side
    22,209,163.84x = 395,949,778,966,352.50
  5. Step 5: Solve for x
    x = 395,949,778,966,352.50/22,209,163.84
  6. Step 6: Final answer
    x = 17,828,216.40

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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.