Home / 17,768,975.47-26,655,089.78-4,989,394.06

Finding the Fourth Proportional to 17,768,975.47, 26,655,089.78 and 4,989,394.06

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Solution

The fourth proportional to 17,768,975.47, 26,655,089.78 and 4,989,394.06 is: 7,484,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768,975.47 : 26,655,089.78 = 4,989,394.06 : x
  2. Step 2: Convert to fraction form
    17,768,975.47/26,655,089.78 = 4,989,394.06/x
  3. Step 3: Cross multiply
    17,768,975.47x = 26,655,089.78 × 4,989,394.06
  4. Step 4: Simplify right side
    17,768,975.47x = 132,992,746,562,934.47
  5. Step 5: Solve for x
    x = 132,992,746,562,934.47/17,768,975.47
  6. Step 6: Final answer
    x = 7,484,547.82

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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.