Home / 14,439,216.48-19,925,547.72-8,634,539.40

Finding the Fourth Proportional to 14,439,216.48, 19,925,547.72 and 8,634,539.40

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Solution

The fourth proportional to 14,439,216.48, 19,925,547.72 and 8,634,539.40 is: 11,915,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439,216.48 : 19,925,547.72 = 8,634,539.40 : x
  2. Step 2: Convert to fraction form
    14,439,216.48/19,925,547.72 = 8,634,539.40/x
  3. Step 3: Cross multiply
    14,439,216.48x = 19,925,547.72 × 8,634,539.40
  4. Step 4: Simplify right side
    14,439,216.48x = 172,047,926,854,920.16
  5. Step 5: Solve for x
    x = 172,047,926,854,920.16/14,439,216.48
  6. Step 6: Final answer
    x = 11,915,322.91

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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.