Home / 30,033,143.48-45,049,714.50-13,854,307.98

Finding the Fourth Proportional to 30,033,143.48, 45,049,714.50 and 13,854,307.98

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Solution

The fourth proportional to 30,033,143.48, 45,049,714.50 and 13,854,307.98 is: 20,781,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,143.48 : 45,049,714.50 = 13,854,307.98 : x
  2. Step 2: Convert to fraction form
    30,033,143.48/45,049,714.50 = 13,854,307.98/x
  3. Step 3: Cross multiply
    30,033,143.48x = 45,049,714.50 × 13,854,307.98
  4. Step 4: Simplify right side
    30,033,143.48x = 624,132,619,094,071.75
  5. Step 5: Solve for x
    x = 624,132,619,094,071.75/30,033,143.48
  6. Step 6: Final answer
    x = 20,781,461.64

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Similar ratio
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1.5x scale

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.