Home / 8,972,547.54-12,382,166.04-5,105,068.71

Finding the Fourth Proportional to 8,972,547.54, 12,382,166.04 and 5,105,068.71

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Solution

The fourth proportional to 8,972,547.54, 12,382,166.04 and 5,105,068.71 is: 7,045,023.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,547.54 : 12,382,166.04 = 5,105,068.71 : x
  2. Step 2: Convert to fraction form
    8,972,547.54/12,382,166.04 = 5,105,068.71/x
  3. Step 3: Cross multiply
    8,972,547.54x = 12,382,166.04 × 5,105,068.71
  4. Step 4: Simplify right side
    8,972,547.54x = 63,211,808,412,828.60
  5. Step 5: Solve for x
    x = 63,211,808,412,828.60/8,972,547.54
  6. Step 6: Final answer
    x = 7,045,023.52

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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.