Home / 28,961,330.40-43,441,436.52-11,689,075.08

Finding the Fourth Proportional to 28,961,330.40, 43,441,436.52 and 11,689,075.08

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Solution

The fourth proportional to 28,961,330.40, 43,441,436.52 and 11,689,075.08 is: 17,533,386.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961,330.40 : 43,441,436.52 = 11,689,075.08 : x
  2. Step 2: Convert to fraction form
    28,961,330.40/43,441,436.52 = 11,689,075.08/x
  3. Step 3: Cross multiply
    28,961,330.40x = 43,441,436.52 × 11,689,075.08
  4. Step 4: Simplify right side
    28,961,330.40x = 507,790,213,065,333.94
  5. Step 5: Solve for x
    x = 507,790,213,065,333.94/28,961,330.40
  6. Step 6: Final answer
    x = 17,533,386.97

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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.