Home / 12,686,030-17,506,730.40-6,884,810.40

Finding the Fourth Proportional to 12,686,030, 17,506,730.40 and 6,884,810.40

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Solution

The fourth proportional to 12,686,030, 17,506,730.40 and 6,884,810.40 is: 9,501,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,686,030 : 17,506,730.40 = 6,884,810.40 : x
  2. Step 2: Convert to fraction form
    12,686,030/17,506,730.40 = 6,884,810.40/x
  3. Step 3: Cross multiply
    12,686,030x = 17,506,730.40 × 6,884,810.40
  4. Step 4: Simplify right side
    12,686,030x = 120,530,519,527,916.16
  5. Step 5: Solve for x
    x = 120,530,519,527,916.16/12,686,030
  6. Step 6: Final answer
    x = 9,501,043.24

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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.