Home / 15,249,654.29-21,009,403.77-10,535,533.76

Finding the Fourth Proportional to 15,249,654.29, 21,009,403.77 and 10,535,533.76

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Solution

The fourth proportional to 15,249,654.29, 21,009,403.77 and 10,535,533.76 is: 14,514,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,654.29 : 21,009,403.77 = 10,535,533.76 : x
  2. Step 2: Convert to fraction form
    15,249,654.29/21,009,403.77 = 10,535,533.76/x
  3. Step 3: Cross multiply
    15,249,654.29x = 21,009,403.77 × 10,535,533.76
  4. Step 4: Simplify right side
    15,249,654.29x = 221,345,282,709,364.88
  5. Step 5: Solve for x
    x = 221,345,282,709,364.88/15,249,654.29
  6. Step 6: Final answer
    x = 14,514,773.81

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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.