Home / 12,102,666.90-18,154,000.35-10,779,969.30

Finding the Fourth Proportional to 12,102,666.90, 18,154,000.35 and 10,779,969.30

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Solution

The fourth proportional to 12,102,666.90, 18,154,000.35 and 10,779,969.30 is: 16,169,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102,666.90 : 18,154,000.35 = 10,779,969.30 : x
  2. Step 2: Convert to fraction form
    12,102,666.90/18,154,000.35 = 10,779,969.30/x
  3. Step 3: Cross multiply
    12,102,666.90x = 18,154,000.35 × 10,779,969.30
  4. Step 4: Simplify right side
    12,102,666.90x = 195,699,566,445,189.28
  5. Step 5: Solve for x
    x = 195,699,566,445,189.28/12,102,666.90
  6. Step 6: Final answer
    x = 16,169,953.95

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1.5x scale

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.