Home / 30,487,629.60-42,014,784.45-29,927,254.59

Finding the Fourth Proportional to 30,487,629.60, 42,014,784.45 and 29,927,254.59

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Solution

The fourth proportional to 30,487,629.60, 42,014,784.45 and 29,927,254.59 is: 41,242,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,487,629.60 : 42,014,784.45 = 29,927,254.59 : x
  2. Step 2: Convert to fraction form
    30,487,629.60/42,014,784.45 = 29,927,254.59/x
  3. Step 3: Cross multiply
    30,487,629.60x = 42,014,784.45 × 29,927,254.59
  4. Step 4: Simplify right side
    30,487,629.60x = 1,257,387,150,779,123.25
  5. Step 5: Solve for x
    x = 1,257,387,150,779,123.25/30,487,629.60
  6. Step 6: Final answer
    x = 41,242,535.65

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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.