Home / 12,424,642.95-17,145,802.57-7,268,877.93

Finding the Fourth Proportional to 12,424,642.95, 17,145,802.57 and 7,268,877.93

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Solution

The fourth proportional to 12,424,642.95, 17,145,802.57 and 7,268,877.93 is: 10,030,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424,642.95 : 17,145,802.57 = 7,268,877.93 : x
  2. Step 2: Convert to fraction form
    12,424,642.95/17,145,802.57 = 7,268,877.93/x
  3. Step 3: Cross multiply
    12,424,642.95x = 17,145,802.57 × 7,268,877.93
  4. Step 4: Simplify right side
    12,424,642.95x = 124,630,745,893,210.28
  5. Step 5: Solve for x
    x = 124,630,745,893,210.28/12,424,642.95
  6. Step 6: Final answer
    x = 10,030,931.79

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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.