Home / 28,249,017.21-42,373,919.48-8,054,259.21

Finding the Fourth Proportional to 28,249,017.21, 42,373,919.48 and 8,054,259.21

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Solution

The fourth proportional to 28,249,017.21, 42,373,919.48 and 8,054,259.21 is: 12,081,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249,017.21 : 42,373,919.48 = 8,054,259.21 : x
  2. Step 2: Convert to fraction form
    28,249,017.21/42,373,919.48 = 8,054,259.21/x
  3. Step 3: Cross multiply
    28,249,017.21x = 42,373,919.48 × 8,054,259.21
  4. Step 4: Simplify right side
    28,249,017.21x = 341,290,531,235,588.38
  5. Step 5: Solve for x
    x = 341,290,531,235,588.38/28,249,017.21
  6. Step 6: Final answer
    x = 12,081,501.06

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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.