Home / 11,712,588.96-16,161,075.04-7,359,153.28

Finding the Fourth Proportional to 11,712,588.96, 16,161,075.04 and 7,359,153.28

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Solution

The fourth proportional to 11,712,588.96, 16,161,075.04 and 7,359,153.28 is: 10,154,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712,588.96 : 16,161,075.04 = 7,359,153.28 : x
  2. Step 2: Convert to fraction form
    11,712,588.96/16,161,075.04 = 7,359,153.28/x
  3. Step 3: Cross multiply
    11,712,588.96x = 16,161,075.04 × 7,359,153.28
  4. Step 4: Simplify right side
    11,712,588.96x = 118,931,828,388,942.12
  5. Step 5: Solve for x
    x = 118,931,828,388,942.12/11,712,588.96
  6. Step 6: Final answer
    x = 10,154,187.84

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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.