Home / 27,402,383-37,815,275.40-16,389,132.50

Finding the Fourth Proportional to 27,402,383, 37,815,275.40 and 16,389,132.50

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Solution

The fourth proportional to 27,402,383, 37,815,275.40 and 16,389,132.50 is: 22,616,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402,383 : 37,815,275.40 = 16,389,132.50 : x
  2. Step 2: Convert to fraction form
    27,402,383/37,815,275.40 = 16,389,132.50/x
  3. Step 3: Cross multiply
    27,402,383x = 37,815,275.40 × 16,389,132.50
  4. Step 4: Simplify right side
    27,402,383x = 619,759,559,054,590.50
  5. Step 5: Solve for x
    x = 619,759,559,054,590.50/27,402,383
  6. Step 6: Final answer
    x = 22,616,994.99

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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.