Home / 7,780,328.40-11,662,619.40-4,583,809.20

Finding the Fourth Proportional to 7,780,328.40, 11,662,619.40 and 4,583,809.20

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Solution

The fourth proportional to 7,780,328.40, 11,662,619.40 and 4,583,809.20 is: 6,871,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,328.40 : 11,662,619.40 = 4,583,809.20 : x
  2. Step 2: Convert to fraction form
    7,780,328.40/11,662,619.40 = 4,583,809.20/x
  3. Step 3: Cross multiply
    7,780,328.40x = 11,662,619.40 × 4,583,809.20
  4. Step 4: Simplify right side
    7,780,328.40x = 53,459,222,101,818.48
  5. Step 5: Solve for x
    x = 53,459,222,101,818.48/7,780,328.40
  6. Step 6: Final answer
    x = 6,871,075.28

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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.