Home / 7,047,355.20-10,571,032.80-5,913,614.40

Finding the Fourth Proportional to 7,047,355.20, 10,571,032.80 and 5,913,614.40

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Solution

The fourth proportional to 7,047,355.20, 10,571,032.80 and 5,913,614.40 is: 8,870,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,355.20 : 10,571,032.80 = 5,913,614.40 : x
  2. Step 2: Convert to fraction form
    7,047,355.20/10,571,032.80 = 5,913,614.40/x
  3. Step 3: Cross multiply
    7,047,355.20x = 10,571,032.80 × 5,913,614.40
  4. Step 4: Simplify right side
    7,047,355.20x = 62,513,011,788,952.33
  5. Step 5: Solve for x
    x = 62,513,011,788,952.33/7,047,355.20
  6. Step 6: Final answer
    x = 8,870,421.60

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Similar ratio
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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.