Home / 12,810,303.30-17,678,206.89-7,009,109.22

Finding the Fourth Proportional to 12,810,303.30, 17,678,206.89 and 7,009,109.22

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Solution

The fourth proportional to 12,810,303.30, 17,678,206.89 and 7,009,109.22 is: 9,672,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810,303.30 : 17,678,206.89 = 7,009,109.22 : x
  2. Step 2: Convert to fraction form
    12,810,303.30/17,678,206.89 = 7,009,109.22/x
  3. Step 3: Cross multiply
    12,810,303.30x = 17,678,206.89 × 7,009,109.22
  4. Step 4: Simplify right side
    12,810,303.30x = 123,908,482,905,766.53
  5. Step 5: Solve for x
    x = 123,908,482,905,766.53/12,810,303.30
  6. Step 6: Final answer
    x = 9,672,564.34

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1.5x scale

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.