Home / 12,007,357.40-18,011,036.10-3,031,909.40

Finding the Fourth Proportional to 12,007,357.40, 18,011,036.10 and 3,031,909.40

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Solution

The fourth proportional to 12,007,357.40, 18,011,036.10 and 3,031,909.40 is: 4,547,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007,357.40 : 18,011,036.10 = 3,031,909.40 : x
  2. Step 2: Convert to fraction form
    12,007,357.40/18,011,036.10 = 3,031,909.40/x
  3. Step 3: Cross multiply
    12,007,357.40x = 18,011,036.10 × 3,031,909.40
  4. Step 4: Simplify right side
    12,007,357.40x = 54,607,829,655,329.34
  5. Step 5: Solve for x
    x = 54,607,829,655,329.34/12,007,357.40
  6. Step 6: Final answer
    x = 4,547,864.10

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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.