Finding the Fourth Proportional to 13,113,037.80, 19,687,271.40 and 8,330,068.80
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Solution
The fourth proportional to 13,113,037.80, 19,687,271.40 and 8,330,068.80 is: 12,506,356.48
Step by Step Solution
- Step 1: Write the proportion equation
13,113,037.80 : 19,687,271.40 = 8,330,068.80 : x - Step 2: Convert to fraction form
13,113,037.80/19,687,271.40 = 8,330,068.80/x - Step 3: Cross multiply
13,113,037.80x = 19,687,271.40 × 8,330,068.80 - Step 4: Simplify right side
13,113,037.80x = 163,996,325,246,272.31 - Step 5: Solve for x
x = 163,996,325,246,272.31/13,113,037.80 - Step 6: Final answer
x = 12,506,356.48
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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.