Home / 8,663,289.16-11,955,480-4,742,979.12

Finding the Fourth Proportional to 8,663,289.16, 11,955,480 and 4,742,979.12

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Solution

The fourth proportional to 8,663,289.16, 11,955,480 and 4,742,979.12 is: 6,545,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663,289.16 : 11,955,480 = 4,742,979.12 : x
  2. Step 2: Convert to fraction form
    8,663,289.16/11,955,480 = 4,742,979.12/x
  3. Step 3: Cross multiply
    8,663,289.16x = 11,955,480 × 4,742,979.12
  4. Step 4: Simplify right side
    8,663,289.16x = 56,704,592,009,577.60
  5. Step 5: Solve for x
    x = 56,704,592,009,577.60/8,663,289.16
  6. Step 6: Final answer
    x = 6,545,388.36

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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.