Home / 10,919,547.20-16,315,355.62-10,537,668.32

Finding the Fourth Proportional to 10,919,547.20, 16,315,355.62 and 10,537,668.32

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Solution

The fourth proportional to 10,919,547.20, 16,315,355.62 and 10,537,668.32 is: 15,744,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919,547.20 : 16,315,355.62 = 10,537,668.32 : x
  2. Step 2: Convert to fraction form
    10,919,547.20/16,315,355.62 = 10,537,668.32/x
  3. Step 3: Cross multiply
    10,919,547.20x = 16,315,355.62 × 10,537,668.32
  4. Step 4: Simplify right side
    10,919,547.20x = 171,925,806,046,407.97
  5. Step 5: Solve for x
    x = 171,925,806,046,407.97/10,919,547.20
  6. Step 6: Final answer
    x = 15,744,774.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.