Home / 13,349,016.48-18,422,031.28-7,547,673.60

Finding the Fourth Proportional to 13,349,016.48, 18,422,031.28 and 7,547,673.60

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Solution

The fourth proportional to 13,349,016.48, 18,422,031.28 and 7,547,673.60 is: 10,416,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,016.48 : 18,422,031.28 = 7,547,673.60 : x
  2. Step 2: Convert to fraction form
    13,349,016.48/18,422,031.28 = 7,547,673.60/x
  3. Step 3: Cross multiply
    13,349,016.48x = 18,422,031.28 × 7,547,673.60
  4. Step 4: Simplify right side
    13,349,016.48x = 139,043,479,150,430.20
  5. Step 5: Solve for x
    x = 139,043,479,150,430.20/13,349,016.48
  6. Step 6: Final answer
    x = 10,416,009.25

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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.