Home / 14,999,678.48-20,699,459.88-8,475,420.08

Finding the Fourth Proportional to 14,999,678.48, 20,699,459.88 and 8,475,420.08

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Solution

The fourth proportional to 14,999,678.48, 20,699,459.88 and 8,475,420.08 is: 11,696,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999,678.48 : 20,699,459.88 = 8,475,420.08 : x
  2. Step 2: Convert to fraction form
    14,999,678.48/20,699,459.88 = 8,475,420.08/x
  3. Step 3: Cross multiply
    14,999,678.48x = 20,699,459.88 × 8,475,420.08
  4. Step 4: Simplify right side
    14,999,678.48x = 175,436,617,912,106.38
  5. Step 5: Solve for x
    x = 175,436,617,912,106.38/14,999,678.48
  6. Step 6: Final answer
    x = 11,696,025.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.