Home / 61,638,786.84-92,455,937.88-18,506,869.20

Finding the Fourth Proportional to 61,638,786.84, 92,455,937.88 and 18,506,869.20

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Solution

The fourth proportional to 61,638,786.84, 92,455,937.88 and 18,506,869.20 is: 27,759,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,638,786.84 : 92,455,937.88 = 18,506,869.20 : x
  2. Step 2: Convert to fraction form
    61,638,786.84/92,455,937.88 = 18,506,869.20/x
  3. Step 3: Cross multiply
    61,638,786.84x = 92,455,937.88 × 18,506,869.20
  4. Step 4: Simplify right side
    61,638,786.84x = 1,711,069,949,108,485.25
  5. Step 5: Solve for x
    x = 1,711,069,949,108,485.25/61,638,786.84
  6. Step 6: Final answer
    x = 27,759,630.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.