Finding the Fourth Proportional to 51,289,794.12, 70,779,931.12 and 27,768,326.16
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Solution
The fourth proportional to 51,289,794.12, 70,779,931.12 and 27,768,326.16 is: 38,320,298.35
Step by Step Solution
- Step 1: Write the proportion equation
51,289,794.12 : 70,779,931.12 = 27,768,326.16 : x - Step 2: Convert to fraction form
51,289,794.12/70,779,931.12 = 27,768,326.16/x - Step 3: Cross multiply
51,289,794.12x = 70,779,931.12 × 27,768,326.16 - Step 4: Simplify right side
51,289,794.12x = 1,965,440,212,922,494.25 - Step 5: Solve for x
x = 1,965,440,212,922,494.25/51,289,794.12 - Step 6: Final answer
x = 38,320,298.35
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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.