Home / 12,102,666.40-18,153,999.60-10,779,968.80

Finding the Fourth Proportional to 12,102,666.40, 18,153,999.60 and 10,779,968.80

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Solution

The fourth proportional to 12,102,666.40, 18,153,999.60 and 10,779,968.80 is: 16,169,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,102,666.40 : 18,153,999.60 = 10,779,968.80 : x
  2. Step 2: Convert to fraction form
    12,102,666.40/18,153,999.60 = 10,779,968.80/x
  3. Step 3: Cross multiply
    12,102,666.40x = 18,153,999.60 × 10,779,968.80
  4. Step 4: Simplify right side
    12,102,666.40x = 195,699,549,283,212.50
  5. Step 5: Solve for x
    x = 195,699,549,283,212.50/12,102,666.40
  6. Step 6: Final answer
    x = 16,169,953.20

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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.