Home / 15,252,929.67-21,048,971.06-8,283,558.45

Finding the Fourth Proportional to 15,252,929.67, 21,048,971.06 and 8,283,558.45

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Solution

The fourth proportional to 15,252,929.67, 21,048,971.06 and 8,283,558.45 is: 11,431,271.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252,929.67 : 21,048,971.06 = 8,283,558.45 : x
  2. Step 2: Convert to fraction form
    15,252,929.67/21,048,971.06 = 8,283,558.45/x
  3. Step 3: Cross multiply
    15,252,929.67x = 21,048,971.06 × 8,283,558.45
  4. Step 4: Simplify right side
    15,252,929.67x = 174,360,381,941,205.81
  5. Step 5: Solve for x
    x = 174,360,381,941,205.81/15,252,929.67
  6. Step 6: Final answer
    x = 11,431,271.62

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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.