Home / 15,173,541.33-20,934,706.58-9,287,038.86

Finding the Fourth Proportional to 15,173,541.33, 20,934,706.58 and 9,287,038.86

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Solution

The fourth proportional to 15,173,541.33, 20,934,706.58 and 9,287,038.86 is: 12,813,187.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173,541.33 : 20,934,706.58 = 9,287,038.86 : x
  2. Step 2: Convert to fraction form
    15,173,541.33/20,934,706.58 = 9,287,038.86/x
  3. Step 3: Cross multiply
    15,173,541.33x = 20,934,706.58 × 9,287,038.86
  4. Step 4: Simplify right side
    15,173,541.33x = 194,421,433,484,722.50
  5. Step 5: Solve for x
    x = 194,421,433,484,722.50/15,173,541.33
  6. Step 6: Final answer
    x = 12,813,187.72

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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.