Home / 28,088,631.72-42,132,946.95-7,893,873.72

Finding the Fourth Proportional to 28,088,631.72, 42,132,946.95 and 7,893,873.72

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Solution

The fourth proportional to 28,088,631.72, 42,132,946.95 and 7,893,873.72 is: 11,840,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088,631.72 : 42,132,946.95 = 7,893,873.72 : x
  2. Step 2: Convert to fraction form
    28,088,631.72/42,132,946.95 = 7,893,873.72/x
  3. Step 3: Cross multiply
    28,088,631.72x = 42,132,946.95 × 7,893,873.72
  4. Step 4: Simplify right side
    28,088,631.72x = 332,592,162,674,759.19
  5. Step 5: Solve for x
    x = 332,592,162,674,759.19/28,088,631.72
  6. Step 6: Final answer
    x = 11,840,810.40

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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.