Finding the Fourth Proportional to 42,126,866.52, 63,185,772.66 and 28,567,050.99
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Solution
The fourth proportional to 42,126,866.52, 63,185,772.66 and 28,567,050.99 is: 42,847,506.56
Step by Step Solution
- Step 1: Write the proportion equation
42,126,866.52 : 63,185,772.66 = 28,567,050.99 : x - Step 2: Convert to fraction form
42,126,866.52/63,185,772.66 = 28,567,050.99/x - Step 3: Cross multiply
42,126,866.52x = 63,185,772.66 × 28,567,050.99 - Step 4: Simplify right side
42,126,866.52x = 1,805,031,189,420,767.75 - Step 5: Solve for x
x = 1,805,031,189,420,767.75/42,126,866.52 - Step 6: Final answer
x = 42,847,506.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.