Home / 27,579,281.90-38,056,592.54-16,980,988.77

Finding the Fourth Proportional to 27,579,281.90, 38,056,592.54 and 16,980,988.77

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Solution

The fourth proportional to 27,579,281.90, 38,056,592.54 and 16,980,988.77 is: 23,432,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579,281.90 : 38,056,592.54 = 16,980,988.77 : x
  2. Step 2: Convert to fraction form
    27,579,281.90/38,056,592.54 = 16,980,988.77/x
  3. Step 3: Cross multiply
    27,579,281.90x = 38,056,592.54 × 16,980,988.77
  4. Step 4: Simplify right side
    27,579,281.90x = 646,238,570,588,658.12
  5. Step 5: Solve for x
    x = 646,238,570,588,658.12/27,579,281.90
  6. Step 6: Final answer
    x = 23,432,030.36

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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.