Home / 9,205,743.18-12,709,368.51-8,184,320.64

Finding the Fourth Proportional to 9,205,743.18, 12,709,368.51 and 8,184,320.64

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Solution

The fourth proportional to 9,205,743.18, 12,709,368.51 and 8,184,320.64 is: 11,299,201.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,743.18 : 12,709,368.51 = 8,184,320.64 : x
  2. Step 2: Convert to fraction form
    9,205,743.18/12,709,368.51 = 8,184,320.64/x
  3. Step 3: Cross multiply
    9,205,743.18x = 12,709,368.51 × 8,184,320.64
  4. Step 4: Simplify right side
    9,205,743.18x = 104,017,547,017,759.05
  5. Step 5: Solve for x
    x = 104,017,547,017,759.05/9,205,743.18
  6. Step 6: Final answer
    x = 11,299,201.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.