Home / 10,617,477.14-15,889,621.70-6,516,075.76

Finding the Fourth Proportional to 10,617,477.14, 15,889,621.70 and 6,516,075.76

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Solution

The fourth proportional to 10,617,477.14, 15,889,621.70 and 6,516,075.76 is: 9,751,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617,477.14 : 15,889,621.70 = 6,516,075.76 : x
  2. Step 2: Convert to fraction form
    10,617,477.14/15,889,621.70 = 6,516,075.76/x
  3. Step 3: Cross multiply
    10,617,477.14x = 15,889,621.70 × 6,516,075.76
  4. Step 4: Simplify right side
    10,617,477.14x = 103,537,978,771,506.14
  5. Step 5: Solve for x
    x = 103,537,978,771,506.14/10,617,477.14
  6. Step 6: Final answer
    x = 9,751,655.44

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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.