Home / 15,462,915.72-21,349,499.04-9,664,303.92

Finding the Fourth Proportional to 15,462,915.72, 21,349,499.04 and 9,664,303.92

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Solution

The fourth proportional to 15,462,915.72, 21,349,499.04 and 9,664,303.92 is: 13,343,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,462,915.72 : 21,349,499.04 = 9,664,303.92 : x
  2. Step 2: Convert to fraction form
    15,462,915.72/21,349,499.04 = 9,664,303.92/x
  3. Step 3: Cross multiply
    15,462,915.72x = 21,349,499.04 × 9,664,303.92
  4. Step 4: Simplify right side
    15,462,915.72x = 206,328,047,262,308.22
  5. Step 5: Solve for x
    x = 206,328,047,262,308.22/15,462,915.72
  6. Step 6: Final answer
    x = 13,343,411.49

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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.