Home / 30,166,590.66-45,249,979.05-7,447,490.34

Finding the Fourth Proportional to 30,166,590.66, 45,249,979.05 and 7,447,490.34

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Solution

The fourth proportional to 30,166,590.66, 45,249,979.05 and 7,447,490.34 is: 11,171,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166,590.66 : 45,249,979.05 = 7,447,490.34 : x
  2. Step 2: Convert to fraction form
    30,166,590.66/45,249,979.05 = 7,447,490.34/x
  3. Step 3: Cross multiply
    30,166,590.66x = 45,249,979.05 × 7,447,490.34
  4. Step 4: Simplify right side
    30,166,590.66x = 336,998,781,860,077.38
  5. Step 5: Solve for x
    x = 336,998,781,860,077.38/30,166,590.66
  6. Step 6: Final answer
    x = 11,171,258.48

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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.