Home / 20,148,649.47-30,222,955.74-6,315,707.71

Finding the Fourth Proportional to 20,148,649.47, 30,222,955.74 and 6,315,707.71

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Solution

The fourth proportional to 20,148,649.47, 30,222,955.74 and 6,315,707.71 is: 9,473,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,649.47 : 30,222,955.74 = 6,315,707.71 : x
  2. Step 2: Convert to fraction form
    20,148,649.47/30,222,955.74 = 6,315,707.71/x
  3. Step 3: Cross multiply
    20,148,649.47x = 30,222,955.74 × 6,315,707.71
  4. Step 4: Simplify right side
    20,148,649.47x = 190,879,354,510,549.34
  5. Step 5: Solve for x
    x = 190,879,354,510,549.34/20,148,649.47
  6. Step 6: Final answer
    x = 9,473,555.77

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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.