Home / 19,979,312.41-29,956,832.47-7,834,225.69

Finding the Fourth Proportional to 19,979,312.41, 29,956,832.47 and 7,834,225.69

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Solution

The fourth proportional to 19,979,312.41, 29,956,832.47 and 7,834,225.69 is: 11,746,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979,312.41 : 29,956,832.47 = 7,834,225.69 : x
  2. Step 2: Convert to fraction form
    19,979,312.41/29,956,832.47 = 7,834,225.69/x
  3. Step 3: Cross multiply
    19,979,312.41x = 29,956,832.47 × 7,834,225.69
  4. Step 4: Simplify right side
    19,979,312.41x = 234,688,586,527,500.16
  5. Step 5: Solve for x
    x = 234,688,586,527,500.16/19,979,312.41
  6. Step 6: Final answer
    x = 11,746,579.75

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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.