Home / 9,781,333.44-14,742,307.28-8,431,400.70

Finding the Fourth Proportional to 9,781,333.44, 14,742,307.28 and 8,431,400.70

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Solution

The fourth proportional to 9,781,333.44, 14,742,307.28 and 8,431,400.70 is: 12,707,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,333.44 : 14,742,307.28 = 8,431,400.70 : x
  2. Step 2: Convert to fraction form
    9,781,333.44/14,742,307.28 = 8,431,400.70/x
  3. Step 3: Cross multiply
    9,781,333.44x = 14,742,307.28 × 8,431,400.70
  4. Step 4: Simplify right side
    9,781,333.44x = 124,298,299,920,207.08
  5. Step 5: Solve for x
    x = 124,298,299,920,207.08/9,781,333.44
  6. Step 6: Final answer
    x = 12,707,705.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.