Home / 9,178,854.40-13,778,888.55-4,927,326.40

Finding the Fourth Proportional to 9,178,854.40, 13,778,888.55 and 4,927,326.40

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Solution

The fourth proportional to 9,178,854.40, 13,778,888.55 and 4,927,326.40 is: 7,396,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,854.40 : 13,778,888.55 = 4,927,326.40 : x
  2. Step 2: Convert to fraction form
    9,178,854.40/13,778,888.55 = 4,927,326.40/x
  3. Step 3: Cross multiply
    9,178,854.40x = 13,778,888.55 × 4,927,326.40
  4. Step 4: Simplify right side
    9,178,854.40x = 67,893,081,315,072.73
  5. Step 5: Solve for x
    x = 67,893,081,315,072.73/9,178,854.40
  6. Step 6: Final answer
    x = 7,396,683.55

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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.