Home / 9,221,778.04-13,772,878.51-8,355,482.13

Finding the Fourth Proportional to 9,221,778.04, 13,772,878.51 and 8,355,482.13

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Solution

The fourth proportional to 9,221,778.04, 13,772,878.51 and 8,355,482.13 is: 12,479,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221,778.04 : 13,772,878.51 = 8,355,482.13 : x
  2. Step 2: Convert to fraction form
    9,221,778.04/13,772,878.51 = 8,355,482.13/x
  3. Step 3: Cross multiply
    9,221,778.04x = 13,772,878.51 × 8,355,482.13
  4. Step 4: Simplify right side
    9,221,778.04x = 115,079,040,268,966.02
  5. Step 5: Solve for x
    x = 115,079,040,268,966.02/9,221,778.04
  6. Step 6: Final answer
    x = 12,479,051.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.