Home / 9,839,133.40-13,578,341.74-5,708,852.68

Finding the Fourth Proportional to 9,839,133.40, 13,578,341.74 and 5,708,852.68

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Solution

The fourth proportional to 9,839,133.40, 13,578,341.74 and 5,708,852.68 is: 7,878,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,839,133.40 : 13,578,341.74 = 5,708,852.68 : x
  2. Step 2: Convert to fraction form
    9,839,133.40/13,578,341.74 = 5,708,852.68/x
  3. Step 3: Cross multiply
    9,839,133.40x = 13,578,341.74 × 5,708,852.68
  4. Step 4: Simplify right side
    9,839,133.40x = 77,516,752,632,354.86
  5. Step 5: Solve for x
    x = 77,516,752,632,354.86/9,839,133.40
  6. Step 6: Final answer
    x = 7,878,412.61

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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.