Home / 12,829,980.41-19,242,645.74-5,153,315.16

Finding the Fourth Proportional to 12,829,980.41, 19,242,645.74 and 5,153,315.16

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Solution

The fourth proportional to 12,829,980.41, 19,242,645.74 and 5,153,315.16 is: 7,729,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829,980.41 : 19,242,645.74 = 5,153,315.16 : x
  2. Step 2: Convert to fraction form
    12,829,980.41/19,242,645.74 = 5,153,315.16/x
  3. Step 3: Cross multiply
    12,829,980.41x = 19,242,645.74 × 5,153,315.16
  4. Step 4: Simplify right side
    12,829,980.41x = 99,163,418,010,451.41
  5. Step 5: Solve for x
    x = 99,163,418,010,451.41/12,829,980.41
  6. Step 6: Final answer
    x = 7,729,038.93

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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.