Home / 31,008,913.02-46,509,820.40-8,291,581.74

Finding the Fourth Proportional to 31,008,913.02, 46,509,820.40 and 8,291,581.74

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Solution

The fourth proportional to 31,008,913.02, 46,509,820.40 and 8,291,581.74 is: 12,436,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,913.02 : 46,509,820.40 = 8,291,581.74 : x
  2. Step 2: Convert to fraction form
    31,008,913.02/46,509,820.40 = 8,291,581.74/x
  3. Step 3: Cross multiply
    31,008,913.02x = 46,509,820.40 × 8,291,581.74
  4. Step 4: Simplify right side
    31,008,913.02x = 385,639,977,559,319.50
  5. Step 5: Solve for x
    x = 385,639,977,559,319.50/31,008,913.02
  6. Step 6: Final answer
    x = 12,436,423.60

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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.