Finding the Fourth Proportional to 19,130,208.66, 28,701,509.49 and 11,452,652.82
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Solution
The fourth proportional to 19,130,208.66, 28,701,509.49 and 11,452,652.82 is: 17,182,688.88
Step by Step Solution
- Step 1: Write the proportion equation
19,130,208.66 : 28,701,509.49 = 11,452,652.82 : x - Step 2: Convert to fraction form
19,130,208.66/28,701,509.49 = 11,452,652.82/x - Step 3: Cross multiply
19,130,208.66x = 28,701,509.49 × 11,452,652.82 - Step 4: Simplify right side
19,130,208.66x = 328,708,423,598,905.25 - Step 5: Solve for x
x = 328,708,423,598,905.25/19,130,208.66 - Step 6: Final answer
x = 17,182,688.88
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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.