Home / 13,365,899.06-18,441,779.27-7,564,680.63

Finding the Fourth Proportional to 13,365,899.06, 18,441,779.27 and 7,564,680.63

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Solution

The fourth proportional to 13,365,899.06, 18,441,779.27 and 7,564,680.63 is: 10,437,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,899.06 : 18,441,779.27 = 7,564,680.63 : x
  2. Step 2: Convert to fraction form
    13,365,899.06/18,441,779.27 = 7,564,680.63/x
  3. Step 3: Cross multiply
    13,365,899.06x = 18,441,779.27 × 7,564,680.63
  4. Step 4: Simplify right side
    13,365,899.06x = 139,506,170,388,681.14
  5. Step 5: Solve for x
    x = 139,506,170,388,681.14/13,365,899.06
  6. Step 6: Final answer
    x = 10,437,470.00

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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.