Home / 8,312,460.80-12,462,470.40-4,530,214.40

Finding the Fourth Proportional to 8,312,460.80, 12,462,470.40 and 4,530,214.40

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Solution

The fourth proportional to 8,312,460.80, 12,462,470.40 and 4,530,214.40 is: 6,791,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,460.80 : 12,462,470.40 = 4,530,214.40 : x
  2. Step 2: Convert to fraction form
    8,312,460.80/12,462,470.40 = 4,530,214.40/x
  3. Step 3: Cross multiply
    8,312,460.80x = 12,462,470.40 × 4,530,214.40
  4. Step 4: Simplify right side
    8,312,460.80x = 56,457,662,865,653.77
  5. Step 5: Solve for x
    x = 56,457,662,865,653.77/8,312,460.80
  6. Step 6: Final answer
    x = 6,791,931.32

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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.