Home / 30,480,692-45,729,005.64-17,688,899.84

Finding the Fourth Proportional to 30,480,692, 45,729,005.64 and 17,688,899.84

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Solution

The fourth proportional to 30,480,692, 45,729,005.64 and 17,688,899.84 is: 26,537,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480,692 : 45,729,005.64 = 17,688,899.84 : x
  2. Step 2: Convert to fraction form
    30,480,692/45,729,005.64 = 17,688,899.84/x
  3. Step 3: Cross multiply
    30,480,692x = 45,729,005.64 × 17,688,899.84
  4. Step 4: Simplify right side
    30,480,692x = 808,895,800,548,755.12
  5. Step 5: Solve for x
    x = 808,895,800,548,755.12/30,480,692
  6. Step 6: Final answer
    x = 26,537,973.63

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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.