Home / 30,208,543.73-45,312,815.60-8,643,848.93

Finding the Fourth Proportional to 30,208,543.73, 45,312,815.60 and 8,643,848.93

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Solution

The fourth proportional to 30,208,543.73, 45,312,815.60 and 8,643,848.93 is: 12,965,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208,543.73 : 45,312,815.60 = 8,643,848.93 : x
  2. Step 2: Convert to fraction form
    30,208,543.73/45,312,815.60 = 8,643,848.93/x
  3. Step 3: Cross multiply
    30,208,543.73x = 45,312,815.60 × 8,643,848.93
  4. Step 4: Simplify right side
    30,208,543.73x = 391,677,132,369,564
  5. Step 5: Solve for x
    x = 391,677,132,369,564/30,208,543.73
  6. Step 6: Final answer
    x = 12,965,773.39

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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.