Home / 10,779,339.80-16,169,009.70-9,716,457.80

Finding the Fourth Proportional to 10,779,339.80, 16,169,009.70 and 9,716,457.80

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Solution

The fourth proportional to 10,779,339.80, 16,169,009.70 and 9,716,457.80 is: 14,574,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,339.80 : 16,169,009.70 = 9,716,457.80 : x
  2. Step 2: Convert to fraction form
    10,779,339.80/16,169,009.70 = 9,716,457.80/x
  3. Step 3: Cross multiply
    10,779,339.80x = 16,169,009.70 × 9,716,457.80
  4. Step 4: Simplify right side
    10,779,339.80x = 157,105,500,417,840.66
  5. Step 5: Solve for x
    x = 157,105,500,417,840.66/10,779,339.80
  6. Step 6: Final answer
    x = 14,574,686.70

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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.