Home / 13,473,904.80-20,223,541.80-7,088,739.60

Finding the Fourth Proportional to 13,473,904.80, 20,223,541.80 and 7,088,739.60

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Solution

The fourth proportional to 13,473,904.80, 20,223,541.80 and 7,088,739.60 is: 10,639,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473,904.80 : 20,223,541.80 = 7,088,739.60 : x
  2. Step 2: Convert to fraction form
    13,473,904.80/20,223,541.80 = 7,088,739.60/x
  3. Step 3: Cross multiply
    13,473,904.80x = 20,223,541.80 × 7,088,739.60
  4. Step 4: Simplify right side
    13,473,904.80x = 143,359,421,609,915.28
  5. Step 5: Solve for x
    x = 143,359,421,609,915.28/13,473,904.80
  6. Step 6: Final answer
    x = 10,639,782.88

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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.