Home / 8,305,557.80-12,457,415.10-6,807,036.20

Finding the Fourth Proportional to 8,305,557.80, 12,457,415.10 and 6,807,036.20

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Solution

The fourth proportional to 8,305,557.80, 12,457,415.10 and 6,807,036.20 is: 10,209,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,557.80 : 12,457,415.10 = 6,807,036.20 : x
  2. Step 2: Convert to fraction form
    8,305,557.80/12,457,415.10 = 6,807,036.20/x
  3. Step 3: Cross multiply
    8,305,557.80x = 12,457,415.10 × 6,807,036.20
  4. Step 4: Simplify right side
    8,305,557.80x = 84,798,075,544,126.62
  5. Step 5: Solve for x
    x = 84,798,075,544,126.62/8,305,557.80
  6. Step 6: Final answer
    x = 10,209,798.98

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1.5x scale

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.