Home / 10,779,322.60-16,168,983.90-9,999,875.80

Finding the Fourth Proportional to 10,779,322.60, 16,168,983.90 and 9,999,875.80

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Solution

The fourth proportional to 10,779,322.60, 16,168,983.90 and 9,999,875.80 is: 14,999,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,322.60 : 16,168,983.90 = 9,999,875.80 : x
  2. Step 2: Convert to fraction form
    10,779,322.60/16,168,983.90 = 9,999,875.80/x
  3. Step 3: Cross multiply
    10,779,322.60x = 16,168,983.90 × 9,999,875.80
  4. Step 4: Simplify right side
    10,779,322.60x = 161,687,830,812,199.62
  5. Step 5: Solve for x
    x = 161,687,830,812,199.62/10,779,322.60
  6. Step 6: Final answer
    x = 14,999,813.70

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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.