Home / 9,663,642.56-13,335,486.94-5,312,697.19

Finding the Fourth Proportional to 9,663,642.56, 13,335,486.94 and 5,312,697.19

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Solution

The fourth proportional to 9,663,642.56, 13,335,486.94 and 5,312,697.19 is: 7,331,335.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663,642.56 : 13,335,486.94 = 5,312,697.19 : x
  2. Step 2: Convert to fraction form
    9,663,642.56/13,335,486.94 = 5,312,697.19/x
  3. Step 3: Cross multiply
    9,663,642.56x = 13,335,486.94 × 5,312,697.19
  4. Step 4: Simplify right side
    9,663,642.56x = 70,847,403,966,721.86
  5. Step 5: Solve for x
    x = 70,847,403,966,721.86/9,663,642.56
  6. Step 6: Final answer
    x = 7,331,335.31

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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.