Home / 20,896,274.84-28,837,580.72-11,604,000.47

Finding the Fourth Proportional to 20,896,274.84, 28,837,580.72 and 11,604,000.47

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Solution

The fourth proportional to 20,896,274.84, 28,837,580.72 and 11,604,000.47 is: 16,013,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896,274.84 : 28,837,580.72 = 11,604,000.47 : x
  2. Step 2: Convert to fraction form
    20,896,274.84/28,837,580.72 = 11,604,000.47/x
  3. Step 3: Cross multiply
    20,896,274.84x = 28,837,580.72 × 11,604,000.47
  4. Step 4: Simplify right side
    20,896,274.84x = 334,631,300,026,335
  5. Step 5: Solve for x
    x = 334,631,300,026,335/20,896,274.84
  6. Step 6: Final answer
    x = 16,013,921.27

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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.