Home / 38,763,123.89-53,494,252.03-21,360,590.12

Finding the Fourth Proportional to 38,763,123.89, 53,494,252.03 and 21,360,590.12

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Solution

The fourth proportional to 38,763,123.89, 53,494,252.03 and 21,360,590.12 is: 29,478,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763,123.89 : 53,494,252.03 = 21,360,590.12 : x
  2. Step 2: Convert to fraction form
    38,763,123.89/53,494,252.03 = 21,360,590.12/x
  3. Step 3: Cross multiply
    38,763,123.89x = 53,494,252.03 × 21,360,590.12
  4. Step 4: Simplify right side
    38,763,123.89x = 1,142,668,791,388,808
  5. Step 5: Solve for x
    x = 1,142,668,791,388,808/38,763,123.89
  6. Step 6: Final answer
    x = 29,478,243.15

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1.5x scale

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.