Home / 30,221,643.32-45,345,820.26-15,841,272.68

Finding the Fourth Proportional to 30,221,643.32, 45,345,820.26 and 15,841,272.68

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Solution

The fourth proportional to 30,221,643.32, 45,345,820.26 and 15,841,272.68 is: 23,768,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,221,643.32 : 45,345,820.26 = 15,841,272.68 : x
  2. Step 2: Convert to fraction form
    30,221,643.32/45,345,820.26 = 15,841,272.68/x
  3. Step 3: Cross multiply
    30,221,643.32x = 45,345,820.26 × 15,841,272.68
  4. Step 4: Simplify right side
    30,221,643.32x = 718,335,503,636,928.50
  5. Step 5: Solve for x
    x = 718,335,503,636,928.50/30,221,643.32
  6. Step 6: Final answer
    x = 23,768,909.45

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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.