Home / 28,920,823.28-43,381,047.64-7,355,238.67

Finding the Fourth Proportional to 28,920,823.28, 43,381,047.64 and 7,355,238.67

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Solution

The fourth proportional to 28,920,823.28, 43,381,047.64 and 7,355,238.67 is: 11,032,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,920,823.28 : 43,381,047.64 = 7,355,238.67 : x
  2. Step 2: Convert to fraction form
    28,920,823.28/43,381,047.64 = 7,355,238.67/x
  3. Step 3: Cross multiply
    28,920,823.28x = 43,381,047.64 × 7,355,238.67
  4. Step 4: Simplify right side
    28,920,823.28x = 319,077,959,146,840.25
  5. Step 5: Solve for x
    x = 319,077,959,146,840.25/28,920,823.28
  6. Step 6: Final answer
    x = 11,032,810.38

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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.