Home / 15,287,905.40-22,931,858.10-14,118,735.20

Finding the Fourth Proportional to 15,287,905.40, 22,931,858.10 and 14,118,735.20

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Solution

The fourth proportional to 15,287,905.40, 22,931,858.10 and 14,118,735.20 is: 21,178,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,905.40 : 22,931,858.10 = 14,118,735.20 : x
  2. Step 2: Convert to fraction form
    15,287,905.40/22,931,858.10 = 14,118,735.20/x
  3. Step 3: Cross multiply
    15,287,905.40x = 22,931,858.10 × 14,118,735.20
  4. Step 4: Simplify right side
    15,287,905.40x = 323,768,832,157,875.12
  5. Step 5: Solve for x
    x = 323,768,832,157,875.12/15,287,905.40
  6. Step 6: Final answer
    x = 21,178,102.80

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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.