Home / 14,013,779.56-19,338,988.93-7,818,457.62

Finding the Fourth Proportional to 14,013,779.56, 19,338,988.93 and 7,818,457.62

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Solution

The fourth proportional to 14,013,779.56, 19,338,988.93 and 7,818,457.62 is: 10,789,456.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,779.56 : 19,338,988.93 = 7,818,457.62 : x
  2. Step 2: Convert to fraction form
    14,013,779.56/19,338,988.93 = 7,818,457.62/x
  3. Step 3: Cross multiply
    14,013,779.56x = 19,338,988.93 × 7,818,457.62
  4. Step 4: Simplify right side
    14,013,779.56x = 151,201,065,362,854.16
  5. Step 5: Solve for x
    x = 151,201,065,362,854.16/14,013,779.56
  6. Step 6: Final answer
    x = 10,789,456.53

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1.5x scale

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.