Home / 28,879,461.70-43,330,856.55-12,708,492.10

Finding the Fourth Proportional to 28,879,461.70, 43,330,856.55 and 12,708,492.10

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Solution

The fourth proportional to 28,879,461.70, 43,330,856.55 and 12,708,492.10 is: 19,067,870.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,879,461.70 : 43,330,856.55 = 12,708,492.10 : x
  2. Step 2: Convert to fraction form
    28,879,461.70/43,330,856.55 = 12,708,492.10/x
  3. Step 3: Cross multiply
    28,879,461.70x = 43,330,856.55 × 12,708,492.10
  4. Step 4: Simplify right side
    28,879,461.70x = 550,669,848,151,908.19
  5. Step 5: Solve for x
    x = 550,669,848,151,908.19/28,879,461.70
  6. Step 6: Final answer
    x = 19,067,870.93

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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.