Home / 9,361,428.40-14,021,147.40-7,681,812.40

Finding the Fourth Proportional to 9,361,428.40, 14,021,147.40 and 7,681,812.40

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Solution

The fourth proportional to 9,361,428.40, 14,021,147.40 and 7,681,812.40 is: 11,505,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,428.40 : 14,021,147.40 = 7,681,812.40 : x
  2. Step 2: Convert to fraction form
    9,361,428.40/14,021,147.40 = 7,681,812.40/x
  3. Step 3: Cross multiply
    9,361,428.40x = 14,021,147.40 × 7,681,812.40
  4. Step 4: Simplify right side
    9,361,428.40x = 107,707,823,959,547.77
  5. Step 5: Solve for x
    x = 107,707,823,959,547.77/9,361,428.40
  6. Step 6: Final answer
    x = 11,505,490.33

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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.