Home / 14,223,690.76-19,628,692.02-7,697,319.40

Finding the Fourth Proportional to 14,223,690.76, 19,628,692.02 and 7,697,319.40

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Solution

The fourth proportional to 14,223,690.76, 19,628,692.02 and 7,697,319.40 is: 10,622,300.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223,690.76 : 19,628,692.02 = 7,697,319.40 : x
  2. Step 2: Convert to fraction form
    14,223,690.76/19,628,692.02 = 7,697,319.40/x
  3. Step 3: Cross multiply
    14,223,690.76x = 19,628,692.02 × 7,697,319.40
  4. Step 4: Simplify right side
    14,223,690.76x = 151,088,311,882,171.19
  5. Step 5: Solve for x
    x = 151,088,311,882,171.19/14,223,690.76
  6. Step 6: Final answer
    x = 10,622,300.11

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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.