Home / 30,739,386.60-46,109,079.90-8,020,283.85

Finding the Fourth Proportional to 30,739,386.60, 46,109,079.90 and 8,020,283.85

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Solution

The fourth proportional to 30,739,386.60, 46,109,079.90 and 8,020,283.85 is: 12,030,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,739,386.60 : 46,109,079.90 = 8,020,283.85 : x
  2. Step 2: Convert to fraction form
    30,739,386.60/46,109,079.90 = 8,020,283.85/x
  3. Step 3: Cross multiply
    30,739,386.60x = 46,109,079.90 × 8,020,283.85
  4. Step 4: Simplify right side
    30,739,386.60x = 369,807,908,860,329.56
  5. Step 5: Solve for x
    x = 369,807,908,860,329.56/30,739,386.60
  6. Step 6: Final answer
    x = 12,030,425.78

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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.