Home / 30,009,399.40-45,009,384.90-9,536,420.98

Finding the Fourth Proportional to 30,009,399.40, 45,009,384.90 and 9,536,420.98

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Solution

The fourth proportional to 30,009,399.40, 45,009,384.90 and 9,536,420.98 is: 14,303,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009,399.40 : 45,009,384.90 = 9,536,420.98 : x
  2. Step 2: Convert to fraction form
    30,009,399.40/45,009,384.90 = 9,536,420.98/x
  3. Step 3: Cross multiply
    30,009,399.40x = 45,009,384.90 × 9,536,420.98
  4. Step 4: Simplify right side
    30,009,399.40x = 429,228,442,457,255.19
  5. Step 5: Solve for x
    x = 429,228,442,457,255.19/30,009,399.40
  6. Step 6: Final answer
    x = 14,303,133.39

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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.