Home / 9,507,047.36-13,121,402.40-5,641,700.48

Finding the Fourth Proportional to 9,507,047.36, 13,121,402.40 and 5,641,700.48

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Solution

The fourth proportional to 9,507,047.36, 13,121,402.40 and 5,641,700.48 is: 7,786,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507,047.36 : 13,121,402.40 = 5,641,700.48 : x
  2. Step 2: Convert to fraction form
    9,507,047.36/13,121,402.40 = 5,641,700.48/x
  3. Step 3: Cross multiply
    9,507,047.36x = 13,121,402.40 × 5,641,700.48
  4. Step 4: Simplify right side
    9,507,047.36x = 74,027,022,218,353.16
  5. Step 5: Solve for x
    x = 74,027,022,218,353.16/9,507,047.36
  6. Step 6: Final answer
    x = 7,786,541.86

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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.