Home / 28,030,368.60-42,053,426.10-13,653,905.40

Finding the Fourth Proportional to 28,030,368.60, 42,053,426.10 and 13,653,905.40

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Solution

The fourth proportional to 28,030,368.60, 42,053,426.10 and 13,653,905.40 is: 20,484,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,368.60 : 42,053,426.10 = 13,653,905.40 : x
  2. Step 2: Convert to fraction form
    28,030,368.60/42,053,426.10 = 13,653,905.40/x
  3. Step 3: Cross multiply
    28,030,368.60x = 42,053,426.10 × 13,653,905.40
  4. Step 4: Simplify right side
    28,030,368.60x = 574,193,501,715,291
  5. Step 5: Solve for x
    x = 574,193,501,715,291/28,030,368.60
  6. Step 6: Final answer
    x = 20,484,693.22

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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.