Home / 13,228,308.08-18,254,448.16-7,348,323.38

Finding the Fourth Proportional to 13,228,308.08, 18,254,448.16 and 7,348,323.38

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Solution

The fourth proportional to 13,228,308.08, 18,254,448.16 and 7,348,323.38 is: 10,140,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228,308.08 : 18,254,448.16 = 7,348,323.38 : x
  2. Step 2: Convert to fraction form
    13,228,308.08/18,254,448.16 = 7,348,323.38/x
  3. Step 3: Cross multiply
    13,228,308.08x = 18,254,448.16 × 7,348,323.38
  4. Step 4: Simplify right side
    13,228,308.08x = 134,139,588,093,482.92
  5. Step 5: Solve for x
    x = 134,139,588,093,482.92/13,228,308.08
  6. Step 6: Final answer
    x = 10,140,343.52

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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.