Home / 13,424,931.20-20,140,312.80-4,905,254.08

Finding the Fourth Proportional to 13,424,931.20, 20,140,312.80 and 4,905,254.08

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Solution

The fourth proportional to 13,424,931.20, 20,140,312.80 and 4,905,254.08 is: 7,358,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424,931.20 : 20,140,312.80 = 4,905,254.08 : x
  2. Step 2: Convert to fraction form
    13,424,931.20/20,140,312.80 = 4,905,254.08/x
  3. Step 3: Cross multiply
    13,424,931.20x = 20,140,312.80 × 4,905,254.08
  4. Step 4: Simplify right side
    13,424,931.20x = 98,793,351,534,676.23
  5. Step 5: Solve for x
    x = 98,793,351,534,676.23/13,424,931.20
  6. Step 6: Final answer
    x = 7,358,946.58

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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.