Finding the Fourth Proportional to 13,009,040.58, 19,509,551.37 and 8,991,346.62
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Solution
The fourth proportional to 13,009,040.58, 19,509,551.37 and 8,991,346.62 is: 13,484,248.72
Step by Step Solution
- Step 1: Write the proportion equation
13,009,040.58 : 19,509,551.37 = 8,991,346.62 : x - Step 2: Convert to fraction form
13,009,040.58/19,509,551.37 = 8,991,346.62/x - Step 3: Cross multiply
13,009,040.58x = 19,509,551.37 × 8,991,346.62 - Step 4: Simplify right side
13,009,040.58x = 175,417,138,768,365.88 - Step 5: Solve for x
x = 175,417,138,768,365.88/13,009,040.58 - Step 6: Final answer
x = 13,484,248.72
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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.