Home / 30,989,701.80-46,431,408.60-14,780,751.30

Finding the Fourth Proportional to 30,989,701.80, 46,431,408.60 and 14,780,751.30

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Solution

The fourth proportional to 30,989,701.80, 46,431,408.60 and 14,780,751.30 is: 22,145,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989,701.80 : 46,431,408.60 = 14,780,751.30 : x
  2. Step 2: Convert to fraction form
    30,989,701.80/46,431,408.60 = 14,780,751.30/x
  3. Step 3: Cross multiply
    30,989,701.80x = 46,431,408.60 × 14,780,751.30
  4. Step 4: Simplify right side
    30,989,701.80x = 686,291,103,025,281.25
  5. Step 5: Solve for x
    x = 686,291,103,025,281.25/30,989,701.80
  6. Step 6: Final answer
    x = 22,145,779.51

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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.