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Finding the Fourth Proportional to 30,595,592.80, 45,898,918.80 and 15,411,311.20

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Solution

The fourth proportional to 30,595,592.80, 45,898,918.80 and 15,411,311.20 is: 23,119,752.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595,592.80 : 45,898,918.80 = 15,411,311.20 : x
  2. Step 2: Convert to fraction form
    30,595,592.80/45,898,918.80 = 15,411,311.20/x
  3. Step 3: Cross multiply
    30,595,592.80x = 45,898,918.80 × 15,411,311.20
  4. Step 4: Simplify right side
    30,595,592.80x = 707,362,521,370,330.50
  5. Step 5: Solve for x
    x = 707,362,521,370,330.50/30,595,592.80
  6. Step 6: Final answer
    x = 23,119,752.12

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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.