Home / 28,459,017.48-39,273,435.72-15,406,266.72

Finding the Fourth Proportional to 28,459,017.48, 39,273,435.72 and 15,406,266.72

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Solution

The fourth proportional to 28,459,017.48, 39,273,435.72 and 15,406,266.72 is: 21,260,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,459,017.48 : 39,273,435.72 = 15,406,266.72 : x
  2. Step 2: Convert to fraction form
    28,459,017.48/39,273,435.72 = 15,406,266.72/x
  3. Step 3: Cross multiply
    28,459,017.48x = 39,273,435.72 × 15,406,266.72
  4. Step 4: Simplify right side
    28,459,017.48x = 605,057,025,713,095.25
  5. Step 5: Solve for x
    x = 605,057,025,713,095.25/28,459,017.48
  6. Step 6: Final answer
    x = 21,260,643.52

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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.