Home / 16,287,325.55-22,478,503.35-9,411,807.61

Finding the Fourth Proportional to 16,287,325.55, 22,478,503.35 and 9,411,807.61

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Solution

The fourth proportional to 16,287,325.55, 22,478,503.35 and 9,411,807.61 is: 12,989,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287,325.55 : 22,478,503.35 = 9,411,807.61 : x
  2. Step 2: Convert to fraction form
    16,287,325.55/22,478,503.35 = 9,411,807.61/x
  3. Step 3: Cross multiply
    16,287,325.55x = 22,478,503.35 × 9,411,807.61
  4. Step 4: Simplify right side
    16,287,325.55x = 211,563,348,890,940.50
  5. Step 5: Solve for x
    x = 211,563,348,890,940.50/16,287,325.55
  6. Step 6: Final answer
    x = 12,989,446.81

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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.