Home / 7,178,738.40-10,768,107.60-6,674,853.60

Finding the Fourth Proportional to 7,178,738.40, 10,768,107.60 and 6,674,853.60

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Solution

The fourth proportional to 7,178,738.40, 10,768,107.60 and 6,674,853.60 is: 10,012,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,738.40 : 10,768,107.60 = 6,674,853.60 : x
  2. Step 2: Convert to fraction form
    7,178,738.40/10,768,107.60 = 6,674,853.60/x
  3. Step 3: Cross multiply
    7,178,738.40x = 10,768,107.60 × 6,674,853.60
  4. Step 4: Simplify right side
    7,178,738.40x = 71,875,541,779,047.36
  5. Step 5: Solve for x
    x = 71,875,541,779,047.36/7,178,738.40
  6. Step 6: Final answer
    x = 10,012,280.40

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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.