Finding the Fourth Proportional to 28,596,253.68, 39,462,877.76 and 15,543,479.52
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Solution
The fourth proportional to 28,596,253.68, 39,462,877.76 and 15,543,479.52 is: 21,450,027.65
Step by Step Solution
- Step 1: Write the proportion equation
28,596,253.68 : 39,462,877.76 = 15,543,479.52 : x - Step 2: Convert to fraction form
28,596,253.68/39,462,877.76 = 15,543,479.52/x - Step 3: Cross multiply
28,596,253.68x = 39,462,877.76 × 15,543,479.52 - Step 4: Simplify right side
28,596,253.68x = 613,390,432,185,106.12 - Step 5: Solve for x
x = 613,390,432,185,106.12/28,596,253.68 - Step 6: Final answer
x = 21,450,027.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.