Home / 30,343,359.30-45,515,038.95-9,875,007.60

Finding the Fourth Proportional to 30,343,359.30, 45,515,038.95 and 9,875,007.60

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Solution

The fourth proportional to 30,343,359.30, 45,515,038.95 and 9,875,007.60 is: 14,812,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,359.30 : 45,515,038.95 = 9,875,007.60 : x
  2. Step 2: Convert to fraction form
    30,343,359.30/45,515,038.95 = 9,875,007.60/x
  3. Step 3: Cross multiply
    30,343,359.30x = 45,515,038.95 × 9,875,007.60
  4. Step 4: Simplify right side
    30,343,359.30x = 449,461,355,545,546.06
  5. Step 5: Solve for x
    x = 449,461,355,545,546.06/30,343,359.30
  6. Step 6: Final answer
    x = 14,812,511.40

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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.