Home / 10,005,075.40-15,007,618.70-7,026,556.36

Finding the Fourth Proportional to 10,005,075.40, 15,007,618.70 and 7,026,556.36

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Solution

The fourth proportional to 10,005,075.40, 15,007,618.70 and 7,026,556.36 is: 10,539,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005,075.40 : 15,007,618.70 = 7,026,556.36 : x
  2. Step 2: Convert to fraction form
    10,005,075.40/15,007,618.70 = 7,026,556.36/x
  3. Step 3: Cross multiply
    10,005,075.40x = 15,007,618.70 × 7,026,556.36
  4. Step 4: Simplify right side
    10,005,075.40x = 105,451,878,624,939.94
  5. Step 5: Solve for x
    x = 105,451,878,624,939.94/10,005,075.40
  6. Step 6: Final answer
    x = 10,539,838.47

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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.