Home / 12,547,028.58-18,821,442.48-5,253,148.50

Finding the Fourth Proportional to 12,547,028.58, 18,821,442.48 and 5,253,148.50

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Solution

The fourth proportional to 12,547,028.58, 18,821,442.48 and 5,253,148.50 is: 7,880,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,028.58 : 18,821,442.48 = 5,253,148.50 : x
  2. Step 2: Convert to fraction form
    12,547,028.58/18,821,442.48 = 5,253,148.50/x
  3. Step 3: Cross multiply
    12,547,028.58x = 18,821,442.48 × 5,253,148.50
  4. Step 4: Simplify right side
    12,547,028.58x = 98,871,832,331,648.28
  5. Step 5: Solve for x
    x = 98,871,832,331,648.28/12,547,028.58
  6. Step 6: Final answer
    x = 7,880,099.40

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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.