Home / 28,237,856.16-42,374,698.74-12,063,929.07

Finding the Fourth Proportional to 28,237,856.16, 42,374,698.74 and 12,063,929.07

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Solution

The fourth proportional to 28,237,856.16, 42,374,698.74 and 12,063,929.07 is: 18,103,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237,856.16 : 42,374,698.74 = 12,063,929.07 : x
  2. Step 2: Convert to fraction form
    28,237,856.16/42,374,698.74 = 12,063,929.07/x
  3. Step 3: Cross multiply
    28,237,856.16x = 42,374,698.74 × 12,063,929.07
  4. Step 4: Simplify right side
    28,237,856.16x = 511,205,359,961,978.44
  5. Step 5: Solve for x
    x = 511,205,359,961,978.44/28,237,856.16
  6. Step 6: Final answer
    x = 18,103,547.13

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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.