Home / 12,547,607.60-18,821,411.40-4,028,805.20

Finding the Fourth Proportional to 12,547,607.60, 18,821,411.40 and 4,028,805.20

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Solution

The fourth proportional to 12,547,607.60, 18,821,411.40 and 4,028,805.20 is: 6,043,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,607.60 : 18,821,411.40 = 4,028,805.20 : x
  2. Step 2: Convert to fraction form
    12,547,607.60/18,821,411.40 = 4,028,805.20/x
  3. Step 3: Cross multiply
    12,547,607.60x = 18,821,411.40 × 4,028,805.20
  4. Step 4: Simplify right side
    12,547,607.60x = 75,827,800,119,659.28
  5. Step 5: Solve for x
    x = 75,827,800,119,659.28/12,547,607.60
  6. Step 6: Final answer
    x = 6,043,207.80

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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.