Home / 13,742,313.60-20,613,470.40-4,767,772.80

Finding the Fourth Proportional to 13,742,313.60, 20,613,470.40 and 4,767,772.80

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Solution

The fourth proportional to 13,742,313.60, 20,613,470.40 and 4,767,772.80 is: 7,151,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,742,313.60 : 20,613,470.40 = 4,767,772.80 : x
  2. Step 2: Convert to fraction form
    13,742,313.60/20,613,470.40 = 4,767,772.80/x
  3. Step 3: Cross multiply
    13,742,313.60x = 20,613,470.40 × 4,767,772.80
  4. Step 4: Simplify right side
    13,742,313.60x = 98,280,343,486,725.11
  5. Step 5: Solve for x
    x = 98,280,343,486,725.11/13,742,313.60
  6. Step 6: Final answer
    x = 7,151,659.20

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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.