Finding the Fourth Proportional to 28,611,322.68, 39,484,663.98 and 16,390,541.88
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Solution
The fourth proportional to 28,611,322.68, 39,484,663.98 and 16,390,541.88 is: 22,619,542.82
Step by Step Solution
- Step 1: Write the proportion equation
28,611,322.68 : 39,484,663.98 = 16,390,541.88 : x - Step 2: Convert to fraction form
28,611,322.68/39,484,663.98 = 16,390,541.88/x - Step 3: Cross multiply
28,611,322.68x = 39,484,663.98 × 16,390,541.88 - Step 4: Simplify right side
28,611,322.68x = 647,175,038,581,917.50 - Step 5: Solve for x
x = 647,175,038,581,917.50/28,611,322.68 - Step 6: Final answer
x = 22,619,542.82
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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.