Home / 28,514,669.60-42,772,004.40-13,161,929.60

Finding the Fourth Proportional to 28,514,669.60, 42,772,004.40 and 13,161,929.60

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Solution

The fourth proportional to 28,514,669.60, 42,772,004.40 and 13,161,929.60 is: 19,742,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,669.60 : 42,772,004.40 = 13,161,929.60 : x
  2. Step 2: Convert to fraction form
    28,514,669.60/42,772,004.40 = 13,161,929.60/x
  3. Step 3: Cross multiply
    28,514,669.60x = 42,772,004.40 × 13,161,929.60
  4. Step 4: Simplify right side
    28,514,669.60x = 562,962,110,763,690.25
  5. Step 5: Solve for x
    x = 562,962,110,763,690.25/28,514,669.60
  6. Step 6: Final answer
    x = 19,742,894.40

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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.