Home / 28,228,681.04-42,345,547.40-10,956,477

Finding the Fourth Proportional to 28,228,681.04, 42,345,547.40 and 10,956,477

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Solution

The fourth proportional to 28,228,681.04, 42,345,547.40 and 10,956,477 is: 16,435,695.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228,681.04 : 42,345,547.40 = 10,956,477 : x
  2. Step 2: Convert to fraction form
    28,228,681.04/42,345,547.40 = 10,956,477/x
  3. Step 3: Cross multiply
    28,228,681.04x = 42,345,547.40 × 10,956,477
  4. Step 4: Simplify right side
    28,228,681.04x = 463,958,016,140,509.81
  5. Step 5: Solve for x
    x = 463,958,016,140,509.81/28,228,681.04
  6. Step 6: Final answer
    x = 16,435,695.86

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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.