Home / 8,987,564.61-12,405,146.00-5,547,829.14

Finding the Fourth Proportional to 8,987,564.61, 12,405,146.00 and 5,547,829.14

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Solution

The fourth proportional to 8,987,564.61, 12,405,146.00 and 5,547,829.14 is: 7,657,428.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987,564.61 : 12,405,146.00 = 5,547,829.14 : x
  2. Step 2: Convert to fraction form
    8,987,564.61/12,405,146.00 = 5,547,829.14/x
  3. Step 3: Cross multiply
    8,987,564.61x = 12,405,146.00 × 5,547,829.14
  4. Step 4: Simplify right side
    8,987,564.61x = 68,821,630,416,598.27
  5. Step 5: Solve for x
    x = 68,821,630,416,598.27/8,987,564.61
  6. Step 6: Final answer
    x = 7,657,428.17

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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.