Home / 13,528,321.56-18,670,258.80-7,417,931.04

Finding the Fourth Proportional to 13,528,321.56, 18,670,258.80 and 7,417,931.04

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Solution

The fourth proportional to 13,528,321.56, 18,670,258.80 and 7,417,931.04 is: 10,237,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528,321.56 : 18,670,258.80 = 7,417,931.04 : x
  2. Step 2: Convert to fraction form
    13,528,321.56/18,670,258.80 = 7,417,931.04/x
  3. Step 3: Cross multiply
    13,528,321.56x = 18,670,258.80 × 7,417,931.04
  4. Step 4: Simplify right side
    13,528,321.56x = 138,494,692,277,353.16
  5. Step 5: Solve for x
    x = 138,494,692,277,353.16/13,528,321.56
  6. Step 6: Final answer
    x = 10,237,389.14

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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.