Home / 9,788,368.60-13,510,107.66-5,438,949.40

Finding the Fourth Proportional to 9,788,368.60, 13,510,107.66 and 5,438,949.40

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Solution

The fourth proportional to 9,788,368.60, 13,510,107.66 and 5,438,949.40 is: 7,506,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788,368.60 : 13,510,107.66 = 5,438,949.40 : x
  2. Step 2: Convert to fraction form
    9,788,368.60/13,510,107.66 = 5,438,949.40/x
  3. Step 3: Cross multiply
    9,788,368.60x = 13,510,107.66 × 5,438,949.40
  4. Step 4: Simplify right side
    9,788,368.60x = 73,480,791,951,292.41
  5. Step 5: Solve for x
    x = 73,480,791,951,292.41/9,788,368.60
  6. Step 6: Final answer
    x = 7,506,949.83

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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.