Home / 30,210,124.89-41,688,523.49-17,155,659.45

Finding the Fourth Proportional to 30,210,124.89, 41,688,523.49 and 17,155,659.45

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Solution

The fourth proportional to 30,210,124.89, 41,688,523.49 and 17,155,659.45 is: 23,673,987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,210,124.89 : 41,688,523.49 = 17,155,659.45 : x
  2. Step 2: Convert to fraction form
    30,210,124.89/41,688,523.49 = 17,155,659.45/x
  3. Step 3: Cross multiply
    30,210,124.89x = 41,688,523.49 × 17,155,659.45
  4. Step 4: Simplify right side
    30,210,124.89x = 715,194,111,881,987.12
  5. Step 5: Solve for x
    x = 715,194,111,881,987.12/30,210,124.89
  6. Step 6: Final answer
    x = 23,673,987.26

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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.