Home / 9,772,637.29-13,486,878.40-5,642,842.50

Finding the Fourth Proportional to 9,772,637.29, 13,486,878.40 and 5,642,842.50

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Solution

The fourth proportional to 9,772,637.29, 13,486,878.40 and 5,642,842.50 is: 7,787,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,637.29 : 13,486,878.40 = 5,642,842.50 : x
  2. Step 2: Convert to fraction form
    9,772,637.29/13,486,878.40 = 5,642,842.50/x
  3. Step 3: Cross multiply
    9,772,637.29x = 13,486,878.40 × 5,642,842.50
  4. Step 4: Simplify right side
    9,772,637.29x = 76,104,330,570,520.06
  5. Step 5: Solve for x
    x = 76,104,330,570,520.06/9,772,637.29
  6. Step 6: Final answer
    x = 7,787,491.57

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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.