Home / 7,777,215.14-10,729,563.53-4,871,547.50

Finding the Fourth Proportional to 7,777,215.14, 10,729,563.53 and 4,871,547.50

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Solution

The fourth proportional to 7,777,215.14, 10,729,563.53 and 4,871,547.50 is: 6,720,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,215.14 : 10,729,563.53 = 4,871,547.50 : x
  2. Step 2: Convert to fraction form
    7,777,215.14/10,729,563.53 = 4,871,547.50/x
  3. Step 3: Cross multiply
    7,777,215.14x = 10,729,563.53 × 4,871,547.50
  4. Step 4: Simplify right side
    7,777,215.14x = 52,269,578,312,657.12
  5. Step 5: Solve for x
    x = 52,269,578,312,657.12/7,777,215.14
  6. Step 6: Final answer
    x = 6,720,860.54

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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.