Home / 20,896,353.75-28,837,689.69-11,604,079.42

Finding the Fourth Proportional to 20,896,353.75, 28,837,689.69 and 11,604,079.42

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Solution

The fourth proportional to 20,896,353.75, 28,837,689.69 and 11,604,079.42 is: 16,014,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,353.75 : 28,837,689.69 = 11,604,079.42 : x
  2. Step 2: Convert to fraction form
    20,896,353.75/28,837,689.69 = 11,604,079.42/x
  3. Step 3: Cross multiply
    20,896,353.75x = 28,837,689.69 × 11,604,079.42
  4. Step 4: Simplify right side
    20,896,353.75x = 334,634,841,452,075.19
  5. Step 5: Solve for x
    x = 334,634,841,452,075.19/20,896,353.75
  6. Step 6: Final answer
    x = 16,014,030.27

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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.